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Published: 11/03/2009 Updated: 10/10/2018

CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8

VMScore: 312

Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P

The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 prior to 1.6.0.6; 1.6.1 prior to 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
digium asterisk c.2.3
digium asterisk 1.6.0
digium asterisk 1.6.0.3
digium asterisk 1.6.1
digium asterisk 1.4.22
digium asterisk 1.6.0.4
digium asterisk 1.6.0.5
digium asterisk 1.4.23
digium asterisk 1.4.23.1
digium asterisk 1.6.0.1
digium asterisk 1.6.0.2

CWE-20 http://downloads.digium.com/pub/security/AST-2009-002.html http://www.securitytracker.com/id?1021834 http://secunia.com/advisories/34229 http://bugs.digium.com/view.php?id=13547 http://bugs.digium.com/view.php?id=14417 http://www.securityfocus.com/bid/34070 http://www.vupen.com/english/advisories/2009/0667 http://osvdb.org/52568 http://www.securityfocus.com/archive/1/501656/100/0/threaded https://nvd.nist.gov

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CVE-2009-0871

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