CVEvulnerability
CVE-2018-0491
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-03-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-416
Description
A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.
Affected configurations
• torproject tor (>= 0.3.2.0 < 0.3.2.10)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915 Vendor Advisory
- https://trac.torproject.org/projects/tor/ticket/24700 Issue Tracking, Mitigation, Vendor Advisory
- https://trac.torproject.org/projects/tor/ticket/25117 Issue Tracking, Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/44994/ Exploit, Third Party Advisory, VDB Entry
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915 Vendor Advisory
- https://trac.torproject.org/projects/tor/ticket/24700 Issue Tracking, Mitigation, Vendor Advisory
- https://trac.torproject.org/projects/tor/ticket/25117 Issue Tracking, Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/44994/ Exploit, Third Party Advisory, VDB Entry