Skip to content

Session Hijacking via XSS attack in header and session grid

High
dasgarner published GHSA-xchw-pf2w-rpgq Apr 11, 2024

Package

composer Xibo CMS (Composer)

Affected versions

>=1.8.0, <=4.0.8

Patched versions

>=3.3.10, >=4.0.9

Description

Impact

Some request headers are not correctly sanitised when stored in the session and display tables.

These headers can be used to inject a malicious script into the session page to exfiltrate session IDs and User Agents. These session IDs / User Agents can subsequently be used to hijack active sessions.

A malicious script can be injected into the display grid to exfiltrate information related to displays.

Patches

Users should upgrade to version 3.3.10 or 4.0.9 which fix this issue. Customers who host their CMS with Xibo Signage have already received an upgrade or patch to resolve this issue regardless of the CMS version that they are running.

Workarounds

Upgrading to a fixed version is necessary to remediate.

Patches are available for earlier versions of Xibo CMS that are out of security support:

References

Xibo Signage Security Advisory

Credit

Thanks to @Saadet-T (Saadet Elif Tokuoğlu) who discovered this issue.

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE ID

CVE-2024-29022

Weaknesses

Credits