Tor before 0.2.8.9 and 0.2.9.x before 0.2.9.4-alpha had internal functions...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://blog.torproject.org/blog/tor-0289-released-important-fixes
- https://github.com/torproject/tor/commit/3cea86eb2fbb65949673eb4ba8ebb695c87a57ce
- https://security.gentoo.org/glsa/201612-45
- http://openwall.com/lists/oss-security/2016/10/19/11
- https://trac.torproject.org/projects/tor/ticket/20384
- http://www.securityfocus.com/bid/95116
- http://www.debian.org/security/2016/dsa-3694
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.