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CVE-2013-2264

Published: 1 April 2013

The SIP channel driver in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; Asterisk Business Edition (BE) C.3.x before C.3.8.1; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones exhibits different behavior for invalid INVITE, SUBSCRIBE, and REGISTER transactions depending on whether the user account exists, which allows remote attackers to enumerate account names by (1) reading HTTP status codes, (2) reading additional text in a 403 (aka Forbidden) response, or (3) observing whether certain retransmissions occur.

Priority

Medium

Status

Package Release Status
asterisk
Launchpad, Ubuntu, Debian
hardy Ignored
(end of life)
lucid Ignored
(end of life)
oneiric Ignored
(end of life)
precise Ignored
(end of life)
quantal Ignored
(end of life)
raring Ignored
(end of life)
saucy Ignored
(end of life)
vivid Not vulnerable

trusty Does not exist
(trusty was not-affected)
upstream
Released (1.8.20.2, 10.12.2, 11.2.2)
utopic Not vulnerable

wily Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

zesty Not vulnerable

Patches:
upstream: http://downloads.asterisk.org/pub/security/AST-2013-003-1.8.diff (1.8)
upstream: http://downloads.asterisk.org/pub/security/AST-2013-003-10.diff (10)
upstream: http://downloads.asterisk.org/pub/security/AST-2013-003-11.diff (11)