CVE-2012-0885

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-01-25 · updated 2026-06-16

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.

Affected products

asterisk Open Source: 1.8.0, 1.8.0-beta1, 1.8.0-beta2, 1.8.0-beta3, 1.8.0-beta4, 1.8.0-beta5 (+53)

References

http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff
http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff
http://downloads.asterisk.org/pub/security/AST-2012-001.html
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.patch
http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff
http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff
http://downloads.asterisk.org/pub/security/AST-2012-001.html
http://www.openwall.com/lists/oss-security/2012/01/20/16

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