Vulnerability Details 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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.029
EPSS Ranking 85.9%
CVSS Severity
CVSS v2 Score 3.5
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.html
- http://osvdb.org/52568
- http://secunia.com/advisories/34229
- http://www.securityfocus.com/archive/1/501656/100/0/threaded
- http://www.securityfocus.com/bid/34070
- 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.html
- http://osvdb.org/52568
- http://secunia.com/advisories/34229
- http://www.securityfocus.com/archive/1/501656/100/0/threaded
- http://www.securityfocus.com/bid/34070
- http://www.securitytracker.com/id?1021834
- http://www.vupen.com/english/advisories/2009/0667
Products affected by CVE-2009-0871
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cpe:2.3:a:digium:asterisk:1.4.22
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cpe:2.3:a:digium:asterisk:1.4.23
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cpe:2.3:a:digium:asterisk:1.4.23.1
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cpe:2.3:a:digium:asterisk:1.6.0
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cpe:2.3:a:digium:asterisk:1.6.0.1
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cpe:2.3:a:digium:asterisk:1.6.0.2
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cpe:2.3:a:digium:asterisk:1.6.0.3
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cpe:2.3:a:digium:asterisk:1.6.0.4
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cpe:2.3:a:digium:asterisk:1.6.0.5
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cpe:2.3:a:digium:asterisk:1.6.1
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cpe:2.3:a:digium:asterisk:c.2.3