SB2017120513 - Buffer overflow in tor.eff Tor
Published: December 5, 2017 Updated: July 17, 2020
Security Bulletin ID
SB2017120513
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2016-1254)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Tor before 0.2.8.12 might allow remote attackers to cause a denial of service (client crash) via a crafted hidden service descriptor.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00154.html
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00155.html
- https://blog.torproject.org/blog/tor-02812-released
- https://gitweb.torproject.org/tor.git/commit/?id=d978216dea6b21ac38230a59d172139185a68dbd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FXOJSMCTIOHLBRYFBVEL3CDLGPZXX6WE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GTU2R253477RZLYAJAR5DAXAON7KIVLA/
- https://trac.torproject.org/projects/tor/ticket/21018
- https://www.debian.org/security/2016/dsa-3741