CVEvulnerability
CVE-2017-8823
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-12-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 8.1 HIGH — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013.
Affected configurations
• tor project tor (< 0.2.5.16)
• tor project tor (>= 0.2.6 < 0.2.8.17)
• tor project tor (>= 0.2.9 < 0.2.9.14)
• tor project tor (>= 0.3.0 < 0.3.0.13)
• tor project tor (>= 0.3.1 < 0.3.1.9)
• debian debian linux 8.0
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 Vendor Advisory
- https://bugs.torproject.org/24313 Issue Tracking, Vendor Advisory
- https://bugs.torproject.org/24430 Vendor Advisory
- https://www.debian.org/security/2017/dsa-4054 Third Party Advisory
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 Vendor Advisory
- https://bugs.torproject.org/24313 Issue Tracking, Vendor Advisory
- https://bugs.torproject.org/24430 Vendor Advisory
- https://www.debian.org/security/2017/dsa-4054 Third Party Advisory