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Vulnerability record · CVE-2007-2297 · published 26 April 2007

CVE-2007-2297: Asterisk vulnerability

Asterisk · Asterisk

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).

7.8 CVSS 2.0 High EPSS 2.4% · top 16.7%
7.8CVSS 2.0 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References
16 Jun 2026Last modified by NVD

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).

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/33892
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 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/33892

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2007-2488Asterisk vulnerabilityThe IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss …EPSS 4.3%9.3CVE-2008-1390Asterisk vulnerabilityThe AsteriskGUI HTTP server in Asterisk Open Source 1.4.x before 1.4.19-rc3 and 1.6.x before 1.6.0-beta6, Business Edition C.x.x before C.1.6, Asteri…EPSS 3.8%9.3CVE-2007-3762Asterisk vulnerabilityStack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1,…EPSS 5.5%8.8CVE-2024-42365Asterisk vulnerabilityAsterisk is an open source private branch exchange (PBX) and telephony toolkit. Prior to asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-…EPSS 4.7%8.8CVE-2008-1332Asterisk permissions and access controls vulnerabilityUnspecified vulnerability in Asterisk Open Source 1.2.x before 1.2.27, 1.4.x before 1.4.18.1 and 1.4.19-rc3; Business Edition A.x.x, B.x.x before B.2…EPSS 2.3%7.8CVE-2009-2346Asterisk memory buffer overflow vulnerabilityThe IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.…EPSS 2.6%7.8CVE-2008-3263Asterisk vulnerabilityThe IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before …EPSS 28%7.8CVE-2007-2294Asterisk vulnerabilityThe Manager Interface in Asterisk before 1.2.18 and 1.4.x before 1.4.3 allows remote attackers to cause a denial of service (crash) by using MD5 auth…EPSS 3.9%

Source: NIST National Vulnerability Database (record CVE-2007-2297), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.