VulnerabilityModified
CVE-2007-2297
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).
HIGH 7.8EPSS 2.39%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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).
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 2.39% probability · 83th percentile
- CISA KEV
- Not listed
- Affected
- asterisk/asterisk
- Source
- cve@mitre.org
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?1017954Patch
- 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?1017954Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33892
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.