CVE-2007-2297

no score yetEPSS 2.4%

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).

EPSS: 2.4% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)
Published: 2007-04-26
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

asterisk:asterisk

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

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