The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and...
Vulnerability 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).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.asterisk.org/files/ASA-2007-011.pdf
- http://bugs.digium.com/view.php?id=9313
- http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
- http://www.securitytracker.com/id?1017954
- http://www.securityfocus.com/bid/24359
- http://www.securityfocus.com/archive/1/466882/100/0/threaded
- http://secunia.com/advisories/25582
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33892
- http://securityreason.com/securityalert/2644
- http://www.debian.org/security/2007/dsa-1358
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.