Vulnerability 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 Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Digium | Asterisk | 1.4.22 |
Related Weaknesses (CWE)
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.htmlPatchVendor 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.htmlPatchVendor Advisory
- http://osvdb.org/52568
- http://secunia.com/advisories/34229Vendor Advisory
- http://www.securityfocus.com/archive/1/501656/100/0/threaded
FAQ
What is CVE-2009-0871?
CVE-2009-0871 is a vulnerability with a CVSS score of 3.5 (LOW). 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, allo...
How severe is CVE-2009-0871?
CVE-2009-0871 has been rated LOW with a CVSS base score of 3.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-0871?
Check the references section above for vendor advisories and patch information. Affected products include: Digium Asterisk.