National Cyber Awareness System

Vulnerability Summary for CVE-2012-0885

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff

Type: Patch Information

Hyperlink:http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff

External Source: CONFIRM

Name: http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff

Type: Patch Information

Hyperlink:http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff

External Source: CONFIRM

Name: https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patch

Hyperlink:https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patch

External Source: CONFIRM

Name: https://issues.asterisk.org/jira/browse/ASTERISK-19202

Hyperlink:https://issues.asterisk.org/jira/browse/ASTERISK-19202

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=783487

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=783487

External Source: MLIST

Name: [oss-security] 20120120 Re: CVE Request -- Asterisk AST-2012-001 / Remote DoS while processing crypto line for media stream with non-existing RTP

Hyperlink:http://www.openwall.com/lists/oss-security/2012/01/20/18

External Source: MLIST

Name: [oss-security] 20120120 CVE Request -- Asterisk AST-2012-001 / Remote DoS while processing crypto line for media stream with non-existing RTP

Hyperlink:http://www.openwall.com/lists/oss-security/2012/01/20/16

External Source: CONFIRM

Name: http://downloads.asterisk.org/pub/security/AST-2012-001.html

Type: Advisory

Hyperlink:http://downloads.asterisk.org/pub/security/AST-2012-001.html