CVE-2009-0871
Asterisk 1.4.22-1.4.23.1, 1.6.0 < 1.6.0.6, 1.6.1 < 1.6.1.0-rc2, and Business Edition C.2.3 - DoS via SIP INVITE
Title source: llmDescription
The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions.
References (9)
Core 9
Core References
Patch vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/34070
Various Sources x_refsource_confirm
http://bugs.digium.com/view.php?id=14417
Various Sources x_refsource_confirm
http://bugs.digium.com/view.php?id=13547
Patch, Vendor Advisory x_refsource_confirm
http://downloads.digium.com/pub/security/AST-2009-002.html
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34229
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://osvdb.org/52568
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id?1021834
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/501656/100/0/threaded
Third Party Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/0667
Scores
EPSS
0.0257
EPSS Percentile
83.3%
Details
CWE
CWE-20
Status
published
Products (11)
digium/asterisk
1.4.22
digium/asterisk
1.4.23
digium/asterisk
1.4.23.1
digium/asterisk
1.6.0 (14 CPE variants)
digium/asterisk
1.6.0.1
digium/asterisk
1.6.0.2
digium/asterisk
1.6.0.3 (2 CPE variants)
digium/asterisk
1.6.0.4 rc1
digium/asterisk
1.6.0.5
digium/asterisk
1.6.1 (6 CPE variants)
... and 1 more
Published
Mar 11, 2009
Tracked Since
Feb 18, 2026