tcptls.c in the TCP/TLS server in Asterisk Open Source 1.6.1.x before 1.6.1.23, 1.6.2.x before 1.6.2.17.1, and 1.8.x before 1.8.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by establishing many short TCP sessions to services that use a certain TLS API.
http://downloads.asterisk.org/pub/security/AST-2011-004.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056945.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/057156.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/057163.html
http://openwall.com/lists/oss-security/2011/03/17/5
http://openwall.com/lists/oss-security/2011/03/21/12
http://securitytracker.com/id?1025224
http://www.debian.org/security/2011/dsa-2225
http://www.securityfocus.com/bid/46898
http://www.vupen.com/english/advisories/2011/0686
http://www.vupen.com/english/advisories/2011/0790
Source: MITRE
Published: 2011-03-31
Updated: 2017-08-17
Type: NVD-CWE-Other
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM