Vulnerability Details CVE-2012-0885
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 76.7%
CVSS Severity
CVSS v2 Score 4.3
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
- 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
Products affected by CVE-2012-0885
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cpe:2.3:a:asterisk:open_source:1.8.0
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cpe:2.3:a:asterisk:open_source:1.8.1
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cpe:2.3:a:asterisk:open_source:1.8.1.1
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cpe:2.3:a:asterisk:open_source:1.8.1.2
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cpe:2.3:a:asterisk:open_source:1.8.2
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cpe:2.3:a:asterisk:open_source:1.8.2.1
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cpe:2.3:a:asterisk:open_source:1.8.2.2
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cpe:2.3:a:asterisk:open_source:1.8.2.3
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cpe:2.3:a:asterisk:open_source:1.8.2.4
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cpe:2.3:a:asterisk:open_source:1.8.3
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cpe:2.3:a:asterisk:open_source:1.8.3.1
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cpe:2.3:a:asterisk:open_source:1.8.3.2
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cpe:2.3:a:asterisk:open_source:1.8.3.3
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cpe:2.3:a:asterisk:open_source:1.8.4
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cpe:2.3:a:asterisk:open_source:1.8.4.1
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cpe:2.3:a:asterisk:open_source:1.8.4.2
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cpe:2.3:a:asterisk:open_source:1.8.4.3
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cpe:2.3:a:asterisk:open_source:1.8.4.4
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cpe:2.3:a:asterisk:open_source:1.8.5
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cpe:2.3:a:asterisk:open_source:1.8.5.0
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cpe:2.3:a:asterisk:open_source:1.8.6.0
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cpe:2.3:a:asterisk:open_source:1.8.7.0
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cpe:2.3:a:asterisk:open_source:1.8.7.1
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cpe:2.3:a:asterisk:open_source:1.8.7.2
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cpe:2.3:a:asterisk:open_source:1.8.8.0
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cpe:2.3:a:asterisk:open_source:1.8.8.1
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cpe:2.3:a:asterisk:open_source:10.0.0