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Security Advisories: GSA_kwCzR0hTQS0zeGY4LWc4Z3ItZzdyaM4AA5JO

Graylog session fixation vulnerability through cookie injection

Impact

Reauthenticating with an existing session cookie would re-use that session id, even if for different user credentials.
In this case, the pre-existing session could be used to gain elevated access to an existing Graylog login session, provided the malicious user could successfully inject their session cookie into someone else's browser.

The complexity of such an attack is high, because it requires presenting a spoofed login screen and injection of a session cookie into an existing browser, potentially through an XSS attack. No such attack has been discovered.

Patches

Graylog 5.1.11 and 5.2.4, and any versions of the 6.0 development branch contain patches to not re-use sessions under any circumstances, making this type of attack impossible.

Workarounds

Using short session expiration and explicit log outs of unused sessions can help limiting the attack vector. Unpatched this vulnerability exists, but is relatively hard to exploit.
A proxy could be leveraged to clear the authentication cookie for the Graylog server URL for the /api/system/sessions endpoint, as that is the only one vulnerable.

Analysis provided by Fabian Yamaguchi - Whirly Labs (Pty) Ltd

Permalink: https://github.com/advisories/GHSA-3xf8-g8gr-g7rh
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS0zeGY4LWc4Z3ItZzdyaM4AA5JO
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: 10 months ago
Updated: 9 months ago


CVSS Score: 5.7
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N

Identifiers: GHSA-3xf8-g8gr-g7rh, CVE-2024-24823
References: Repository: https://github.com/Graylog2/graylog2-server
Blast Radius: 11.2

Affected Packages

maven:org.graylog2:graylog2-server
Dependent packages: 13
Dependent repositories: 94
Downloads:
Affected Version Ranges: >= 5.2.0-alpha.1, < 5.2.4, >= 4.3.0, < 5.1.11
Fixed in: 5.2.4, 5.1.11
All affected versions: 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 4.3.6, 4.3.7, 4.3.8, 4.3.9, 4.3.10, 4.3.11, 4.3.12, 4.3.13, 4.3.14, 4.3.15, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.0.10, 5.0.11, 5.0.12, 5.0.13, 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.1.7, 5.1.8, 5.1.9, 5.1.10, 5.2.0, 5.2.0-alpha.1, 5.2.0-beta.1, 5.2.0-beta.2, 5.2.0-beta.3, 5.2.0-rc.1, 5.2.0-rc.2, 5.2.1, 5.2.2, 5.2.3
All unaffected versions: 0.90.0, 0.90.1, 0.90.3, 0.91.1, 0.91.3, 0.92.0, 0.92.1, 0.92.2, 0.92.3, 0.92.4, 1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.1.1, 1.1.4, 1.1.5, 1.1.6, 1.2.0, 1.2.1, 1.2.2, 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.3.0, 2.3.1, 2.3.2, 2.4.0, 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.5.0, 2.5.1, 2.5.2, 3.0.0, 3.0.1, 3.0.2, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.3.0, 3.3.2, 3.3.3, 3.3.4, 3.3.5, 3.3.6, 3.3.7, 3.3.8, 3.3.9, 3.3.10, 3.3.11, 3.3.12, 3.3.13, 3.3.14, 3.3.15, 3.3.17, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.0.8, 4.0.9, 4.0.10, 4.0.11, 4.0.12, 4.0.13, 4.0.14, 4.0.16, 4.0.17, 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.8, 4.1.9, 4.1.11, 4.1.12, 4.1.13, 4.1.14, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.5, 4.2.6, 4.2.7, 4.2.8, 4.2.9, 4.2.10, 4.2.11, 4.2.12, 4.2.13, 5.1.11, 5.1.12, 5.1.13, 5.2.4, 5.2.5, 5.2.6, 5.2.7, 5.2.8, 5.2.9, 5.2.10, 5.2.11, 5.2.12, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.0.7, 6.0.8, 6.1.0, 6.1.1, 6.1.2