CVE-2007-4455

Description

The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 5.10% Top 15%

Third-Party Advisory securityreason.com Third-Party Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
http://securityreason.com/securityalert/3047	third party advisory
http://www.vupen.com/english/advisories/2007/2953	vdb entry
http://downloads.digium.com/pub/asa/AST-2007-020.html
http://www.securityfocus.com/bid/25392	vdb entry
http://seclists.org/fulldisclosure/2007/Aug/0393.html	mailing list
https://exchange.xforce.ibmcloud.com/vulnerabilities/36145	vdb entry
http://secunia.com/advisories/26553	third party advisory
http://www.securitytracker.com/id?1018595	vdb entry

Frequently Asked Questions

What is the severity of CVE-2007-4455?: CVE-2007-4455 has been scored as a medium severity vulnerability.
How to fix CVE-2007-4455?: To fix CVE-2007-4455, 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-2007-4455 being actively exploited in the wild?: It is possible that CVE-2007-4455 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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