medium5.0
CVE-2011-0491
The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might …
Impact
The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to "underflow errors."
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Tor | Tor | through 0.2.1.28 Versions 0.0.2, 0.0.2_pre13, 0.0.2_pre14, 0.0.2_pre15, 0.0.2_pre16 |
Weakness classification
References
- NVD record
- CVE.org record
- http://archives.seul.org/or/announce/Jan-2011/msg00000.html
- http://blog.torproject.org/blog/tor-02129-released-security-patches
- http://www.securityfocus.com/bid/45953
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64888
- https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog
- https://trac.torproject.org/projects/tor/ticket/2324
- http://archives.seul.org/or/announce/Jan-2011/msg00000.html
- http://blog.torproject.org/blog/tor-02129-released-security-patches
- http://www.securityfocus.com/bid/45953
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64888
- https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog
- https://trac.torproject.org/projects/tor/ticket/2324