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Session Fixation

CVE-2023-1265

Medium
5.4/10

Summary

An issue has been discovered in GitLab affecting all versions starting from 11.9 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. The condition allows for a privileged attacker, under certain conditions, to obtain session tokens from all users of a GitLab instance.

  • HIGH
  • NETWORK
  • NONE
  • CHANGED
  • REQUIRED
  • HIGH
  • HIGH
  • NONE

CWE-384 - Session Fixation

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.

References

Advisory Timeline

  • Published