Vulnerability · Published Jul 13, 2023 · Assigned by GitLab
CVE-2023-2620Insertion of Sensitive Information Into Sent Data in GitLab
Medium 5.5
In plain English
A medium-severity security flaw in GitLab from GitLab. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.5%top 53.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.1 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1. A maintainer could modify a webhook URL to leak masked webhook secrets by manipulating other masked portions. This addresses an incomplete fix for CVE-2023-0838.
Affected products (as reported)
Weakness: CWE-201 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
References
- GitLab Issue #410433 issue-tracking
- HackerOne Bug Bounty Report #1976206 technical-description, exploit