Out-of-Bounds Affecting tor package, versions <0.2.8.9-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-TOR-370782
- published4 Jan 2017
- disclosed4 Jan 2017
Introduced: 4 Jan 2017
CVE-2016-8860 (opens in a new tab)How to fix?
Upgrade Debian:unstable tor to version 0.2.8.9-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tor package and not the tor package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Tor before 0.2.8.9 and 0.2.9.x before 0.2.9.4-alpha had internal functions that were entitled to expect that buf_t data had NUL termination, but the implementation of or/buffers.c did not ensure that NUL termination was present, which allows remote attackers to cause a denial of service (client, hidden service, relay, or authority crash) via crafted data.
References
- https://security-tracker.debian.org/tracker/CVE-2016-8860
- http://www.debian.org/security/2016/dsa-3694
- https://security.gentoo.org/glsa/201612-45
- https://github.com/torproject/tor/commit/3cea86eb2fbb65949673eb4ba8ebb695c87a57ce
- https://blog.torproject.org/blog/tor-0289-released-important-fixes
- https://trac.torproject.org/projects/tor/ticket/20384
- http://openwall.com/lists/oss-security/2016/10/19/11
- http://www.securityfocus.com/bid/95116
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-8860