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Overview

Vulnerability Score 4.3 4.3
CVE Id CVE-2012-0885
Last Modified 26 Jan 2012 09:50:03
Published 25 Jan 2012 10:55:01
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity MEDIUM
Authentication NONE

CVE-2012-0885

Summary

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.

Vulnerable Systems

Application

  • Asterisk Open Source 1.8.0

  • Asterisk Open Source 1.8.1

  • Asterisk Open Source 1.8.1.1

  • Asterisk Open Source 1.8.1.2

  • Asterisk Open Source 1.8.2

  • Asterisk Open Source 1.8.2.1

  • Asterisk Open Source 1.8.2.2

  • Asterisk Open Source 1.8.2.3

  • Asterisk Open Source 1.8.2.4

  • Asterisk Open Source 1.8.3

  • Asterisk Open Source 1.8.3.1

  • Asterisk Open Source 1.8.3.2

  • Asterisk Open Source 1.8.3.3

  • Asterisk Open Source 1.8.4

  • Asterisk Open Source 1.8.4.1

  • Asterisk Open Source 1.8.4.2

  • Asterisk Open Source 1.8.4.3

  • Asterisk Open Source 1.8.4.4

  • Asterisk Open Source 1.8.5

  • Asterisk Open Source 1.8.5.0

  • Asterisk Open Source 1.8.6.0

  • Asterisk Open Source 1.8.7.0

  • Asterisk Open Source 1.8.7.1

  • Asterisk Open Source 1.8.7.2

  • Asterisk Open Source 1.8.8.0

  • Asterisk Open Source 1.8.8.1

  • Asterisk Open Source 10.0.0


References

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

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

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

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

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

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

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

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


Last Updated: 27 May 2016 10:58:06