CVE-2011-4598

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.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.63%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://openwall.com/lists/oss-security/2011/12/09/4 mailing list
http://openwall.com/lists/oss-security/2011/12/09/3 mailing list
http://secunia.com/advisories/47273 third party advisory
http://osvdb.org/77598 vdb entry
http://downloads.asterisk.org/pub/security/AST-2011-014.html
http://www.debian.org/security/2011/dsa-2367 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-4598?
CVE-2011-4598 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4598?
To fix CVE-2011-4598, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4598 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4598 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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