CVE-2007-4455

high

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/36145

http://www.vupen.com/english/advisories/2007/2953

http://www.securitytracker.com/id?1018595

http://www.securityfocus.com/bid/25392

http://securityreason.com/securityalert/3047

http://secunia.com/advisories/26553

http://seclists.org/fulldisclosure/2007/Aug/0393.html

http://downloads.digium.com/pub/asa/AST-2007-020.html

Details

Source: Mitre, NVD

Published: 2007-08-22

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.05096