Vulnerability · Published Jan 12, 2024 · Assigned by GitLab
CVE-2023-5356Incorrect Authorization in GitLab
High 7.3
In plain English
A high-severity incorrect authorization in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.8%top 42.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
References
- GitLab Issue #427154 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #2188868 technical-description, exploit, permissions-required