CVE-2009-0871
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…
Does this matter?
Lower severity and a low EPSS score (2.57%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 3.5 LOWAV:N/AC:M/Au:S/C:N/I:N/A:P
- EPSS
- 2.57% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- digium/asterisk
- Source
- cve@mitre.org
References
- http://bugs.digium.com/view.php?id=13547
- http://bugs.digium.com/view.php?id=14417
- http://downloads.digium.com/pub/security/AST-2009-002.htmlPatch, Vendor Advisory
- http://osvdb.org/52568
- http://secunia.com/advisories/34229Vendor Advisory
- http://www.securityfocus.com/archive/1/501656/100/0/threaded
- http://www.securityfocus.com/bid/34070Patch
- http://www.securitytracker.com/id?1021834
- http://www.vupen.com/english/advisories/2009/0667
- http://bugs.digium.com/view.php?id=13547
- http://bugs.digium.com/view.php?id=14417
- http://downloads.digium.com/pub/security/AST-2009-002.htmlPatch, Vendor Advisory
- http://osvdb.org/52568
- http://secunia.com/advisories/34229Vendor Advisory
- http://www.securityfocus.com/archive/1/501656/100/0/threaded
- http://www.securityfocus.com/bid/34070Patch
- http://www.securitytracker.com/id?1021834
- http://www.vupen.com/english/advisories/2009/0667
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.