CVE-2006-5445

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-10-23 · updated 2026-06-16

Description

Unspecified vulnerability in the SIP channel driver (channels/chan_sip.c) in Asterisk 1.2.x before 1.2.13 and 1.4.x before 1.4.0-beta3 allows remote attackers to cause a denial of service (resource consumption) via unspecified vectors that result in the creation of "a real pvt structure" that uses more resources than necessary.

Affected products

Digium Asterisk: 1.2.0_beta1, 1.2.0_beta2, 1.2.6, 1.2.7, 1.2.8, 1.2.9 (+7)

References

http://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.2.13
http://secunia.com/advisories/22651
http://secunia.com/advisories/22979
http://www.asterisk.org/node/109
http://www.asterisk.org/node/110
http://www.gentoo.org/security/en/glsa/glsa-200610-15.xml
http://www.novell.com/linux/security/advisories/2006_69_asterisk.html
http://www.osvdb.org/29973
http://www.securityfocus.com/archive/1/449183/100/0/threaded
http://www.securityfocus.com/bid/20835
http://www.vupen.com/english/advisories/2006/4098
https://exchange.xforce.ibmcloud.com/vulnerabilities/29664

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