CVE-2007-2297

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-04-26 · updated 2026-06-16

Description

The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash).

Affected products

Asterisk: 1.2.0_beta1, 1.2.0_beta2, 1.2.10, 1.2.11, 1.2.12, 1.2.13 (+7)

References

http://bugs.digium.com/view.php?id=9313
http://secunia.com/advisories/25582
http://securityreason.com/securityalert/2644
http://www.asterisk.org/files/ASA-2007-011.pdf
http://www.debian.org/security/2007/dsa-1358
http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
http://www.securityfocus.com/archive/1/466882/100/0/threaded
http://www.securityfocus.com/bid/24359
http://www.securitytracker.com/id?1017954
https://exchange.xforce.ibmcloud.com/vulnerabilities/33892
http://bugs.digium.com/view.php?id=9313
http://secunia.com/advisories/25582

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