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Releases: falcosecurity/falco

0.31.1

09 Mar 17:20
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docker pull docker.io/falcosecurity/falco:0.31.1
docker pull public.ecr.aws/falcosecurity/falco:0.31.1
docker pull docker.io/falcosecurity/falco-driver-loader:0.31.1
docker pull docker.io/falcosecurity/falco-no-driver:0.31.1

Major Changes

Minor Changes

  • refactor(userspace/falco): replace direct getopt_long() cmdline option parsing with third-party cxxopts library. [#1886] - @mstemm
  • update: driver version is b7eb0dd [#1923] - @LucaGuerra

Bug Fixes

  • fix(userspace/falco): correct plugins init config conversion from YAML to JSON [#1907] - @jasondellaluce
  • fix(userspace/engine): for rules at the informational level being loaded at the notice level [#1885] - @mike-stewart
  • chore(userspace/falco): fixes truncated -b option description. [#1915] - @andreabonanno
  • update(falco): updates usage description for -o, --option [#1903] - @andreabonanno

Rule Changes

  • rule(Detect outbound connections to common miner pool ports): fix url in rule output [#1918] - @jsoref
  • rule(macro somebody_becoming_themself): renaming macro to somebody_becoming_themselves [#1918] - @jsoref
  • rule(list package_mgmt_binaries): npm added [#1866] - @rileydakota
  • rule(Launch Package Management Process in Container): support for detecting npm usage [#1866] - @rileydakota
  • rule(Polkit Local Privilege Escalation Vulnerability): new rule created to detect CVE-2021-4034 [#1877] - @darryk10
  • rule(macro: modify_shell_history): avoid false-positive alerts triggered by modifications to .zsh_history.new and .zsh_history.LOCK files [#1832] - @m4wh6k
  • rule(macro: truncate_shell_history): avoid false-positive alerts triggered by modifications to .zsh_history.new and .zsh_history.LOCK files [#1832] - @m4wh6k
  • rule(macro sssd_writing_krb): fixed a false-positive alert that was being generated when SSSD updates /etc/krb5.keytab [#1825] - @mac-chaffee
  • rule(macro write_etc_common): fixed a false-positive alert that was being generated when SSSD updates /etc/krb5.keytab [#1825] - @mac-chaffee
  • upgrade macro(keepalived_writing_conf) [#1742] - @pabloopez
  • rule_output(Delete Bucket Public Access Block) typo [#1888] - @pabloopez

Non user-facing changes

  • fix(build): fix civetweb linking in cmake module [#1919] - @LucaGuerra
  • chore(userspace/engine): remove unused lua functions and state vars [#1908] - @jasondellaluce
  • fix(userspace/falco): applies FALCO_INSTALL_CONF_FILE as the default … [#1900] - @andreabonanno
  • fix(scripts): correct typo in falco-driver-loader help message [#1899] - @leogr
  • update(build)!: replaced various PROBE with DRIVER where necessary. [#1887] - @FedeDP
  • Add Fairwinds to the adopters list [#1917] - @sudermanjr
  • build(cmake): several cmake changes to speed up/simplify builds for external projects and copying files from source-to-build directories [#1905] - @mstemm

Statistics

Merged PRs Number
Not user-facing 11
Release note 13
Total 24

Release Manager @LucaGuerra

0.31.0

31 Jan 16:06
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docker pull docker.io/falcosecurity/falco:0.31.0
docker pull public.ecr.aws/falcosecurity/falco:0.31.0
docker pull docker.io/falcosecurity/falco-driver-loader:0.31.0
docker pull docker.io/falcosecurity/falco-no-driver:0.31.0

Major Changes

  • new: add support for plugins to extend Falco functionality to new event sources and custom fields [#1753] - @mstemm
  • new: add ability to set User-Agent http header when sending http output. Provide default value of 'falcosecurit/falco'. [#1850] - @yoshi314
  • new(configuration): support defining plugin init config as a YAML [#1852] - @jasondellaluce

Minor Changes

  • rules: add the official Falco ECR repository to rules [#1817] - @calvinbui
  • build: update CircleCI machine image for eBPF tests to a newer version of ubuntu [#1764] - @mstemm
  • update(engine): refactor Falco engine to be agnostic to specific event sources [#1715] - @mstemm
  • build: upgrade civetweb to v1.15 [#1782] - @FedeDP
  • update: driver version is 319368f1ad778691164d33d59945e00c5752cd27 now [#1861] - @FedeDP
  • build: allow using local libs source dir by setting FALCOSECURITY_LIBS_SOURCE_DIR in cmake [#1791] - @jasondellaluce
  • build: the statically linked binary package is now published with the -static suffix [#1873] - @LucaGuerra
  • update!: removed "--alternate-lua-dir" cmdline option as lua scripts are now embedded in Falco executable. [#1872] - @FedeDP
  • build: switch to dynamic build for the binary package (.tar.gz) [#1853] - @LucaGuerra
  • update: simpleconsumer filtering is now being done at kernel level [#1846] - @FedeDP
  • update(scripts/falco-driver-loader): first try to load the latest kmod version, then fallback to an already installed if any [#1863] - @leogr
  • refactor: clean up --list output with better formatting and no duplicate sections across event sources. [#1816] - @mstemm
  • update: embed .lua files used to load/compile rules into the main falco executable, for simplicity and to avoid tampering. [#1843] - @mstemm
  • update: support non-enumerable event sources in gRPC outputs service [#1840] - @jasondellaluce
  • docs: add jasondellaluce to OWNERS [#1818] - @jasondellaluce
  • chore: --list option can be used to selectively list fields related to new sources that are introduced by plugins [#1839] - @loresuso
  • update(userspace/falco): support arbitrary-depth nested values in YAML configuration [#1792] - @jasondellaluce
  • build: bump FakeIt version to 2.0.9 [#1797] - @jasondellaluce
  • update: allow append of new exceptions to rules [#1780] - @sai-arigeli
  • update: Linux packages are now signed with SHA256 [#1758] - @twa16

Bug Fixes

  • fix(scripts/falco-driver-loader): fix for SELinux insmod denials [#1756] - @dwindsor
  • fix(scripts/falco-driver-loader): correctly clean loaded drivers when using --clean [#1795] - @jasondellaluce
  • fix(userspace/falco): in case output_file cannot be opened, throw a falco exception [#1773] - @FedeDP
  • fix(userspace/engine): support jsonpointer escaping in rule parser [#1777] - @jasondellaluce
  • fix(scripts/falco-driver-loader): support kernel object files in .zst and .gz compression formats [#1863] - @leogr
  • fix(engine): correctly format json output in json_event [#1847] - @jasondellaluce
  • fix: set http output contenttype to text/plain when json output is disabled [#1829] - @FedeDP
  • fix(userspace/falco): accept 'Content-Type' header that contains "application/json", but it is not strictly equal to it [#1800] - @FedeDP
  • fix(userspace/engine): supporting enabled-only overwritten rules [#1775] - @jasondellaluce

Rule Changes

  • rule(Create Symlink Over Sensitive File): corrected typo in rule output [#1820] - @deepskyblue86
  • rule(macro open_write): add support to openat2 [#1796] - @jasondellaluce
  • rule(macro open_read): add support to openat2 [#1796] - @jasondellaluce
  • rule(macro open_directory): add support to openat2 [#1796] - @jasondellaluce
  • rule(Create files below dev): add support to openat2 [#1796] - @jasondellaluce
  • rule(Container Drift Detected (open+create)): add support to openat2 [#1796] - @jasondellaluce
  • rule(macro sensitive_mount): add containerd socket [#1815] - @loresuso
  • rule(macro spawned_process): monitor also processes spawned by execveat [#1868] - @Andreagit97
  • rule(Create Hardlink Over Sensitive Files): new rule to detect hard links created over sensitive files [#1810] - @sberkovich
  • rule(Detect crypto miners using the Stratum protocol): add stratum2+tcp and stratum+ssl protocols detection [#1810] - @sberkovich
  • rule(Sudo Potential Privilege Escalation): correct special case for the CVE-2021-3156 exploit [#1810] - @sberkovich
  • rule(list falco_hostnetwork_images): moved to k8s_audit_rules.yaml to avoid a warning when usng falco_rules.yaml only [#1681] - @leodido
  • rule(list deb_binaries): remove apt-config [#1860] - @Andreagit97
  • rule(Launch Remote File Copy Tools in Container): add additional binaries: curl and wget. [#1771] - [@ec4n6](https:...
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0.30.0

01 Oct 07:35
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docker pull docker.io/falcosecurity/falco:0.30.0
docker pull public.ecr.aws/falcosecurity/falco:0.30.0
docker pull docker.io/falcosecurity/falco-driver-loader:0.30.0
docker pull docker.io/falcosecurity/falco-no-driver:0.30.0

Major Changes

  • new: add --k8s-node command-line options, which allows filtering by a node when requesting metadata of pods to the K8s API server [#1671] - @leogr
  • new(outputs): expose rule tags and event source in gRPC and json outputs [#1714] - @jasondellaluce
  • new(userspace/falco): add customizable metadata fetching params [#1667] - @zuc

Minor Changes

Bug Fixes

  • fix(scripts): correct standard output redirection in systemd config (DEB and RPM packages) [#1697] - @chirabino
  • fix(scripts): correct lookup order when trying multiple gcc versions in the falco-driver-loader script [#1716] - @Spartan-65

Rule Changes

Non user-facing changes

  • add Qonto as adopter [#1717] - @Issif
  • docs(proposals): proposal for a libs plugin system [#1637] - @ldegio
  • build: remove unused ncurses dependency [#1658] - @leogr
  • build(.circleci): use new Debian 11 package names for python-pip [#1712] - @zuc
  • build(docker): adding libssl-dev, upstream image reference pinned to debian:buster [#1719] - @michalschott
  • fix(test): avoid output_strictly_contains failures [#1724] - @jasondellaluce
  • Remove duplicate allowed ecr registry rule [#1725] - @TomKeyte
  • docs(RELEASE.md): switch to 3 releases per year [#1711] - @leogr

Statistics

Merged PRs Number
Not user-facing 10
Release note 9
Total 19

Release Manager @araujof

0.29.1

01 Jul 17:26
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docker pull docker.io/falcosecurity/falco:0.29.1
docker pull public.ecr.aws/falcosecurity/falco:0.29.1
docker pull docker.io/falcosecurity/falco-driver-loader:0.29.1
docker pull docker.io/falcosecurity/falco-no-driver:0.29.1

Minor Changes

  • update: bump the Falco engine version to version 9 [#1675] - @leodido

Rule Changes

  • rule(list user_known_userfaultfd_processes): list to exclude processes known to use userfaultfd syscall [#1675] - @leodido
  • rule(macro consider_userfaultfd_activities): macro to gate the "Unprivileged Delegation of Page Faults Handling to a Userspace Process" rule [#1675] - @leodido
  • rule(Unprivileged Delegation of Page Faults Handling to a Userspace Process): new rule to detect successful unprivileged userfaultfd syscalls [#1675] - @leodido
  • rule(Linux Kernel Module Injection Detected): adding container info to the output of the rule [#1675] - @leodido

Non user-facing changes

Statistics

Merged PRs Number
Not user-facing 2
Release note 1
Total 3

Release Manager @leodido

0.29.0

22 Jun 10:56
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docker pull docker.io/falcosecurity/falco:0.29.0
docker pull public.ecr.aws/falcosecurity/falco:0.29.0
docker pull docker.io/falcosecurity/falco-driver-loader:0.29.0
docker pull docker.io/falcosecurity/falco-no-driver:0.29.0

Minor Changes

  • update: driver version is 17f5df52a7d9ed6bb12d3b1768460def8439936d now [#1669] - @leogr

Rule Changes

  • rule(list miner_domains): add rx.unmineable.com for anti-miner detection [#1676] - @fntlnz
  • rule(Change thread namespace and Set Setuid or Setgid bit): disable by default [#1632] - @Kaizhe
  • rule(list known_sa_list): add namespace-controller, statefulset-controller, disruption-controller, job-controller, horizontal-pod-autoscaler and persistent-volume-binder as allowed service accounts in the kube-system namespace [#1659] - @sboschman
  • rule(Non sudo setuid): check user id as well in case user name info is not available [#1665] - @Kaizhe
  • rule(Debugfs Launched in Privileged Container): fix typo in description [#1657] - @Kaizhe

Non user-facing changes

Statistics

Merged PRs Number
Not user-facing 11
Release note 7
Total 18


Release Manager @maxgio92

0.28.1

07 May 14:06
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docker pull docker.io/falcosecurity/falco:0.28.1
docker pull public.ecr.aws/falcosecurity/falco:0.28.1
docker pull docker.io/falcosecurity/falco-driver-loader:0.28.1
docker pull docker.io/falcosecurity/falco-no-driver:0.28.1

Major Changes

  • new: --support output now includes info about the Falco engine version [#1581] - @mstemm
  • new: Falco outputs an alert in the unlikely situation it's receiving too many consecutive timeouts without an event [#1622] - @leodido
  • new: configuration field syscall_event_timeouts.max_consecutive to configure after how many consecutive timeouts without an event Falco must alert [#1622] - @leodido

Minor Changes

  • build: enforcing hardening flags by default [#1604] - @leogr

Bug Fixes

  • fix: do not stop the webserver for k8s audit logs when invalid data is coming in the event to be processed [#1617] - @fntlnz

Rule Changes

  • rule(macro: allowed_aws_ecr_registry_root_for_eks): new macro for AWS EKS images hosted on ECR to use in rule: Launch Privileged Container [#1640] - @ismailyenigul
  • rule(macro: aws_eks_core_images): new macro for AWS EKS images hosted on ECR to use in rule: Launch Privileged Container [#1640] - @ismailyenigul
  • rule(macro: aws_eks_image_sensitive_mount): new macro for AWS EKS images hosted on ECR to use in rule: Launch Privileged Container [#1640] - @ismailyenigul
  • rule(list falco_privileged_images): remove deprecated Falco's OCI image repositories [#1634] - @maxgio92
  • rule(list falco_sensitive_mount_images): remove deprecated Falco's OCI image repositories [#1634] - @maxgio92
  • rule(macro k8s_containers): remove deprecated Falco's OCI image repositories [#1634] - @maxgio92
  • rule(macro: python_running_sdchecks): macro removed [#1620] - @leogr
  • rule(Change thread namespace): remove python_running_sdchecks exception [#1620] - @leogr

Non user-facing changes

Statistics

Merged PRs Number
Not user-facing 7
Release note 7
Total 14


Release Manager @cpanato

0.28.0

12 Apr 16:42
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docker pull docker.io/falcosecurity/falco:0.28.0
docker pull public.ecr.aws/falcosecurity/falco:0.28.0
docker pull docker.io/falcosecurity/falco-driver-loader:0.28.0
docker pull docker.io/falcosecurity/falco-no-driver:0.28.0

Major Changes

Minor Changes

  • docs(proposals): libraries and drivers donation [#1530] - @leodido
  • docs(docker): update links to the new Falco website URLs [#1545] - @cpanato
  • docs(test): update links to new Falco website URLs [#1563] - @shane-lawrence
  • build: now Falco packages are published at https://download.falco.org [#1577] - @leogr
  • update: lower the syscall_event_drops.max_burst default value to 1 [#1586] - @leodido
  • update: falco-driver-loader tries to download a Falco driver before then compiling it on the fly for the host [#1599] - @leodido
  • docs(test): document the prerequisites for running the integration test suite locally [#1609] - @fntlnz
  • update: Debian/RPM package migrated from init to systemd [#1448] - @jenting

Bug Fixes

  • fix(userspace/engine): properly handle field extraction over lists of containers when not all containers match the specified sub-properties [#1601] - @mstemm
  • fix(docker/falco): add flex and bison dependency to container image [#1562] - @schans
  • fix: ignore action can not be used with log and alert ones (syscall_event_drops config) [#1586] - @leodido
  • fix(userspace/engine): allows fields starting with numbers to be parsed properly [#1598] - @mstemm

Rule Changes

  • rule(Write below monitored dir): improve rule description [#1588] - @stevenshuang
  • rule(macro allowed_aws_eks_registry_root): macro to match the official eks registry [#1555] - @ismailyenigul
  • rule(macro aws_eks_image): match aws image repository for eks [#1555] - @ismailyenigul
  • rule(macro aws_eks_image_sensitive_mount): match aws cni images [#1555] - @ismailyenigul
  • rule(macro k8s_containers): include fluent/fluentd-kubernetes-daemonset and prom/prometheus [#1555] - @ismailyenigul
  • rule(Launch Privileged Container): exclude aws_eks_image [#1555] - @ismailyenigul
  • rule(Launch Sensitive Mount Container): exclude aws_eks_image_sensitive_mount [#1555] - @ismailyenigul
  • rule(Debugfs Launched in Privileged Container): new rule [#1583] - @Kaizhe
  • rule(Mount Launched in Privileged Container): new rule [#1583] - @Kaizhe
  • rule(Set Setuid or Setgid bit): add k3s-agent in the whitelist [#1583] - @Kaizhe
  • rule(macro user_ssh_directory): using glob operator [#1560] - @shane-lawrence
  • rule(list falco_sensitive_mount_containers): added image exceptions for IBM cloud [#1337] - @nibalizer
  • rule(list rpm_binaries): add rhsmcertd [#1385] - @epcim
  • rule(list deb_binaries): add apt.systemd.daily [#1385] - @epcim
  • rule(Sudo Potential Privilege Escalation): new rule created to detect CVE-2021-3156 [#1543] - @darryk10
  • rule(list allowed_k8s_users): add eks:node-manager [#1536] - @ismailyenigul
  • rule(list mysql_mgmt_binaries): removed [#1602] - @fntlnz
  • rule(list db_mgmt_binaries): removed [#1602] - @fntlnz
  • rule(macro parent_ansible_running_python): removed [#1602] - @fntlnz
  • rule(macro parent_bro_running_python): removed [#1602] - @fntlnz
  • rule(macro parent_python_running_denyhosts): removed [#1602] - @fntlnz
  • rule(macro parent_linux_image_upgrade_script): removed [#1602] - @fntlnz
  • rule(macro parent_java_running_echo): removed [#1602] - @fntlnz
  • rule(macro parent_scripting_running_builds): removed [#1602] - @fntlnz
  • rule(macro parent_Xvfb_running_xkbcomp): removed [#1602] - @fntlnz
  • rule(macro parent_nginx_running_serf): removed [#1602] - @fntlnz
  • rule(macro parent_node_running_npm): removed [[#1602](https:...
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0.27.0

18 Jan 17:21
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Released on 2021-01-18

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docker pull docker.io/falcosecurity/falco:0.27.0
docker pull public.ecr.aws/falcosecurity/falco:0.27.0
docker pull docker.io/falcosecurity/falco-driver-loader:0.27.0
docker pull docker.io/falcosecurity/falco-no-driver:0.27.0

Major Changes

  • new: Added falco engine version to grpc version service [#1507] - @nibalizer
  • BREAKING CHANGE: Users who run Falco without a config file will be unable to do that any more, Falco now expects a configuration file to be passed all the times. Developers may need to adjust their processes. [#1494] - @nibalizer
  • new: asynchronous outputs implementation, outputs channels will not block event processing anymore [#1451] - @leogr
  • new: slow outputs detection [#1451] - @leogr
  • new: output_timeout config option for slow outputs detection [#1451] - @leogr

Minor Changes

  • build: bump b64 to v2.0.0.1 [#1441] - @fntlnz
  • rules(macro container_started): re-use spawned_process macro inside container_started macro [#1449] - @leodido
  • docs: reach out documentation [#1472] - @fntlnz
  • docs: Broken outputs.proto link [#1493] - @deepskyblue86
  • docs(README.md): correct broken links [#1506] - @leogr
  • docs(proposals): Exceptions handling proposal [#1376] - @mstemm
  • docs: fix a broken link of README [#1516] - @oke-py
  • docs: adding the kubernetes privileged use case to use cases [#1484] - @fntlnz
  • rules(Mkdir binary dirs): Adds exe_running_docker_save as an exception as this rules can be triggerred when a container is created. [#1386] - @jhwbarlow
  • rules(Create Hidden Files): Adds exe_running_docker_save as an exception as this rules can be triggerred when a container is created. [#1386] - @jhwbarlow
  • docs(.circleci): welcome Jonah (Amazon) as a new Falco CI maintainer [#1518] - @leodido
  • build: falcosecurity/falco:master also available on the AWS ECR Public registry [#1512] - @leodido
  • build: falcosecurity/falco:latest also available on the AWS ECR Public registry [#1512] - @leodido
  • update: gRPC clients can now subscribe to drop alerts via gRCP API [#1451] - @leogr
  • macro(allowed_k8s_users): exclude cloud-controller-manage to avoid false positives on k3s [#1444] - @fntlnz

Bug Fixes

  • fix(userspace/falco): use given priority in falco_outputs::handle_msg() [#1450] - @leogr
  • fix(userspace/engine): free formatters, if any [#1447] - @leogr
  • fix(scripts/falco-driver-loader): lsmod usage [#1474] - @dnwe
  • fix: a bug that prevents Falco driver to be consumed by many Falco instances in some circumstances [#1485] - @leodido
  • fix: set HOST_ROOT=/host environment variable for the falcosecurity/falco-no-driver container image by default [#1492] - @leogr

Rule Changes

  • rule(list user_known_change_thread_namespace_binaries): add crio and multus to the list [#1501] - @Kaizhe
  • rule(Container Run as Root User): new rule created [#1500] - @Kaizhe
  • rule(Linux Kernel Module injection detected): adds a new rule that detects when an LKM module is injected using insmod from a container (typically used by rootkits looking to obfuscate their behavior via kernel hooking). [#1478] - @d1vious
  • rule(macro multipath_writing_conf): create and use the macro [#1475] - @nmarier-coveo
  • rule(list falco_privileged_images): add calico/node without registry prefix to prevent false positive alerts [#1457] - @czunker
  • rule(Full K8s Administrative Access): use the right list of admin users (fix) [#1454] - @mstemm

Non user-facing changes

Statistics

Merged PRs Number
Not user-facing 10
Release note 30
Total 40

0.26.2

10 Nov 14:22
0e6ae63
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Released on 2020-10-01

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docker pull docker.io/falcosecurity/falco:0.26.2
docker pull docker.io/falcosecurity/falco-driver-loader:0.26.2
docker pull docker.io/falcosecurity/falco-no-driver:0.26.2

Major Changes

0.26.1

01 Oct 14:50
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Released on 2020-10-01

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docker pull docker.io/falcosecurity/falco:0.26.1
docker pull docker.io/falcosecurity/falco-driver-loader:0.26.1
docker pull docker.io/falcosecurity/falco-no-driver:0.26.1

Major Changes

  • new: CLI flag --alternate-lua-dir to load Lua files from arbitrary paths [#1419] - @admiral0

Rule Changes

  • rule(Delete or rename shell history): fix warnings/FPs + container teardown [#1423] - @mstemm
  • rule(Write below root): ensure proc_name_exists too [#1423] - @mstemm

Statistics

Merged PRs Number
Not user-facing 4
Release note 2
Total 6