Description
chan_sip.c in Asterisk Open Source 1.8.x before 1.8.8.2 and 10.x before 10.0.1, when the res_srtp module is used and media support is improperly configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted SDP message with a crypto attribute and a (1) video or (2) text media type, as demonstrated by CSipSimple.
Metrics
CVSS 2.0 4.3/10
AV:N/AC:M/Au:N/C:N/I:N/A:PAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diffPatch
- http://downloads.asterisk.org/pub/security/AST-2012-001-10.diffPatch
- http://downloads.asterisk.org/pub/security/AST-2012-001.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2012/01/20/16
- http://www.openwall.com/lists/oss-security/2012/01/20/18
- https://bugzilla.redhat.com/show_bug.cgi?id=783487
- https://issues.asterisk.org/jira/browse/ASTERISK-19202
- https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patchExploit
- http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diffPatch
- http://downloads.asterisk.org/pub/security/AST-2012-001-10.diffPatch
- http://downloads.asterisk.org/pub/security/AST-2012-001.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2012/01/20/16
- http://www.openwall.com/lists/oss-security/2012/01/20/18
- https://bugzilla.redhat.com/show_bug.cgi?id=783487
- https://issues.asterisk.org/jira/browse/ASTERISK-19202
- https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patchExploit
Timeline
- Published
- Jan 25, 2012
- Last modified
- Jun 16, 2026
- NVD status
- Modified