CVE-2007-1561

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 14.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-03-21 · updated 2026-06-16

Description

The channel driver in Asterisk before 1.2.17 and 1.4.x before 1.4.2 allows remote attackers to cause a denial of service (crash) via a SIP INVITE message with an SDP containing one valid and one invalid IP address.

Affected products

Asterisk: 1.2.14, 1.2.15, 1.2.16, 1.4.1

References

http://asterisk.org/node/48339
http://marc.info/?l=full-disclosure&m=117432783011737&w=2
http://secunia.com/advisories/24564
http://secunia.com/advisories/24719
http://secunia.com/advisories/25582
http://security.gentoo.org/glsa/glsa-200704-01.xml
http://voipsa.org/pipermail/voipsec_voipsa.org/2007-March/002275.html
http://www.debian.org/security/2007/dsa-1358
http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
http://www.osvdb.org/34479
http://www.securityfocus.com/archive/1/463434/100/0/threaded
http://www.securityfocus.com/bid/23031

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