CVE-2009-0871

Low

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.

SeverityLow
CVSS3.5
Exploit probability—
ProductDigium Asterisk
PublishedMar 11, 2009
First seenMar 11, 2009

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
digium asterisk1.4.22, 1.4.23, 1.4.23.1, 1.6.0, 1.6.0.1, 1.6.0.2, 1.6.0.3, 1.6.0.4, 1.6.0.5, 1.6.1, c.2.3—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.