CVE-2011-2536

Publication date 6 July 2011

Last updated 24 July 2024

Description

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending on whether the user account exists, which allows remote attackers to enumerate account names via a series of requests.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
asterisk	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	11.10 oneiric	Not affected
	11.04 natty	Fixed 1:1.6.2.9-2ubuntu2.1
	10.10 maverick	Fixed 1:1.6.2.7-1ubuntu1.2
	10.04 LTS lucid	Fixed 1:1.6.2.5-0ubuntu1.4
	8.04 LTS hardy	Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
asterisk	Upstream: http://downloads.asterisk.org/pub/security/AST-2011-011-1.6.2.diff Upstream: http://downloads.asterisk.org/pub/security/AST-2011-011-1.8.diff

CVE-2011-2536

Description

Status

Patch details

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