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CVE-2024-35313: Tor path lengths too short when "full Vanguards" configured

May 18, 2024 (updated March 27, 2025)

In Tor Arti before 1.2.3, circuits sometimes incorrectly have a length of 3 (with full vanguards), aka TROVE-2024-004.

References

  • github.com/advisories/GHSA-c96h-cxx6-rmg9
  • gitlab.torproject.org/tpo/core/arti
  • gitlab.torproject.org/tpo/core/arti/-/blob/main/CHANGELOG.md
  • gitlab.torproject.org/tpo/core/arti/-/commit/1a89d5c9659d799a84dd3ff00fae530f5c8ba280
  • gitlab.torproject.org/tpo/core/arti/-/issues/1400
  • gitlab.torproject.org/tpo/core/arti/-/issues/1409
  • gitlab.torproject.org/tpo/core/team/-/wikis/NetworkTeam/TROVE
  • nvd.nist.gov/vuln/detail/CVE-2024-35313
  • rustsec.org/advisories/RUSTSEC-2024-0339.html
  • rustsec.org/advisories/RUSTSEC-2024-0340.html

Code Behaviors & Features

Detect and mitigate CVE-2024-35313 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions starting from 0.18.0 before 0.18.1, version 0.18.0

Fixed versions

  • 0.18.1

Solution

Upgrade to version 0.18.1 or above.

Impact 7.3 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Learn more about CVSS

Weakness

  • CWE-130: Improper Handling of Length Parameter Inconsistency
  • CWE-754: Improper Check for Unusual or Exceptional Conditions

Source file

cargo/tor-circmgr/CVE-2024-35313.yml

Spotted a mistake? Edit the file on GitLab.

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