Vulnerability Description
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Digium | Asterisk | 1.8.0 |
Related Weaknesses (CWE)
References
- http://downloads.asterisk.org/pub/security/AST-2011-014.html
- http://openwall.com/lists/oss-security/2011/12/09/3
- http://openwall.com/lists/oss-security/2011/12/09/4
- http://osvdb.org/77598
- http://secunia.com/advisories/47273
- http://www.debian.org/security/2011/dsa-2367
- http://downloads.asterisk.org/pub/security/AST-2011-014.html
- http://openwall.com/lists/oss-security/2011/12/09/3
- http://openwall.com/lists/oss-security/2011/12/09/4
- http://osvdb.org/77598
- http://secunia.com/advisories/47273
- http://www.debian.org/security/2011/dsa-2367
FAQ
What is CVE-2011-4598?
CVE-2011-4598 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of ...
How severe is CVE-2011-4598?
CVE-2011-4598 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4598?
Check the references section above for vendor advisories and patch information. Affected products include: Digium Asterisk.