National Vulnerability Database (NVD) National Vulnerability Database (CVE-2009-0871)

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NVD contains:

CVE Vulnerabilities: 56444
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CPE Names: 73311

Last updated: Fri May 24 23:04:14 EDT 2013

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Vulnerability Summary for CVE-2009-0871

Original release date:03/11/2009

Last revised:03/21/2009

Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:3.5 (LOW) (AV:N/AC:M/Au:S/C:N/I:N/A:P) (legend)

Impact Subscore: 2.9

Exploitability Subscore: 6.8

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Medium

Authentication: Required to exploit

Impact Type:Allows disruption of serviceUnknown

References to Advisories, Solutions, and Tools

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External Source: BID

Name: 34070

Type: Patch Information

Hyperlink:http://www.securityfocus.com/bid/34070

External Source: CONFIRM

Name: http://downloads.digium.com/pub/security/AST-2009-002.html

Type: Advisory; Patch Information

Hyperlink:http://downloads.digium.com/pub/security/AST-2009-002.html

External Source: VUPEN

Name: ADV-2009-0667

Hyperlink:http://www.vupen.com/english/advisories/2009/0667

External Source: SECTRACK