CVE-2013-5642
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 11.65% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- digium/asterisk · digium/asterisk digiumphones · digium/certified asterisk
- Source
- cve@mitre.org
References
- http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html
- http://downloads.asterisk.org/pub/security/AST-2013-005.htmlPatch, Vendor Advisory
- http://osvdb.org/96690
- http://secunia.com/advisories/54534Vendor Advisory
- http://secunia.com/advisories/54617
- http://www.debian.org/security/2013/dsa-2749
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:223
- http://www.securityfocus.com/bid/62022
- http://www.securitytracker.com/id/1028957
- https://issues.asterisk.org/jira/browse/ASTERISK-22007
- http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html
- http://downloads.asterisk.org/pub/security/AST-2013-005.htmlPatch, Vendor Advisory
- http://osvdb.org/96690
- http://secunia.com/advisories/54534Vendor Advisory
- http://secunia.com/advisories/54617
- http://www.debian.org/security/2013/dsa-2749
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:223
- http://www.securityfocus.com/bid/62022
- http://www.securitytracker.com/id/1028957
- https://issues.asterisk.org/jira/browse/ASTERISK-22007
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.