Inefficient Regular Expression Complexity Affecting gitlab package, versions <16.0.8+ds1-1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.09% (39th percentile)

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  • Snyk ID SNYK-DEBIANUNSTABLE-GITLAB-5814009
  • published 2 Aug 2023
  • disclosed 2 Aug 2023

How to fix?

Upgrade Debian:unstable gitlab to version 16.0.8+ds1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gitlab package and not the gitlab package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint.

CVSS Scores

version 3.1
Expand this section

NVD

Recommended
7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High