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Insufficient Session Expiration in TYPO3's Admin Tool

Moderate severity GitHub Reviewed Published Jun 14, 2022 in TYPO3/typo3 • Updated Jan 27, 2023

Package

composer typo3/cms (Composer)

Affected versions

>= 10.0.0, < 10.4.29
>= 11.0.0, < 11.5.11

Patched versions

10.4.29
11.5.11
composer typo3/cms-core (Composer)
>= 9.0.0, < 9.5.35
>= 10.0.0, < 10.4.29
>= 11.0.0, < 11.5.11
9.5.35
10.4.29
11.5.11

Description

Meta

  • CVSS: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L/E:F/RL:O/RC:C (5.6)

Problem

Admin Tool sessions initiated via the TYPO3 backend user interface have not been revoked even if the corresponding user account was degraded to lower permissions or disabled completely. This way, sessions in the admin tool theoretically could have been prolonged without any limit.

Solution

Update to TYPO3 versions 9.5.35 ELTS, 10.4.29, 11.5.11 that fix the problem described above.

Credits

Thanks to Kien Hoang who reported this issue and to TYPO3 framework merger Ralf Zimmermann and TYPO3 security member Oliver Hader who fixed the issue.

References

References

@ohader ohader published to TYPO3/typo3 Jun 14, 2022
Published by the National Vulnerability Database Jun 14, 2022
Published to the GitHub Advisory Database Jun 17, 2022
Reviewed Jun 17, 2022
Last updated Jan 27, 2023

Severity

Moderate

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
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
Low

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:H/UI:N/S:U/C:H/I:L/A:L

EPSS score

0.217%
(59th percentile)

Weaknesses

CVE ID

CVE-2022-31050

GHSA ID

GHSA-wwjw-r3gj-39fq

Source code

Credits

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