Heap-based buffer overflow in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

References

• https://nvd.nist.gov/vuln/detail/CVE-2011-0427
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64748
• https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog
• http://archives.seul.org/or/announce/Jan-2011/msg00000.html
• http://blog.torproject.org/blog/tor-02129-released-security-patches
• http://secunia.com/advisories/42905
• http://secunia.com/advisories/42907
• http://www.debian.org/security/2011/dsa-2148
• http://www.securityfocus.com/bid/45832
• http://www.securitytracker.com/id?1024980
• http://www.vupen.com/english/advisories/2011/0131
• http://www.vupen.com/english/advisories/2011/0132