CVE-2011-4598

Medium

Description

The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.

SeverityMedium
CVSS4.3
Exploit probability—
ProductDigium Asterisk
PublishedDec 15, 2011
First seenDec 15, 2011

How to fix

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

Affected products

ProductAffected versionsFixed in
digium asterisk1.8.0, 1.8.1, 1.8.1.1, 1.8.1.2, 1.8.2, 1.8.2.1, 1.8.2.2, 1.8.2.3, 1.8.2.4, 1.8.3, 1.8.3.1, 1.8.3.2, 1.8.3.3, 1.8.4, 1.8.4.1, 1.8.4.2, 1.8.4.3, 1.8.4.4, 1.8.5, 1.8.5.0, 1.8.6.0, 1.8.7.0, 1.8.7.1, 1.6.2.0, 1.6.2.1, 1.6.2.2, 1.6.2.3, 1.6.2.4, 1.6.2.5, 1.6.2.6, 1.6.2.15, 1.6.2.16, 1.6.2.16.1, 1.6.2.16.2, 1.6.2.17, 1.6.2.17.1, 1.6.2.17.2, 1.6.2.17.3, 1.6.2.18, 1.6.2.19, 1.6.2.20, 1.6.2.21—

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