Unscored severity · published Sep 9, 2013
CVE-2013-5641
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15…
–
CVSS
4.1%
EPSS
No
On KEV
Description
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an ACK with SDP to a previously terminated channel. NOTE: some of these details are obtained from third party information.
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asterisk · Digium
1.8.17.0; 1.8.17.0; 1.8.17.0; 1.8.17.0; 1.8.18.0; 1.8.18.0; +34 more · source: NVD
CA
Certified Asterisk · Digium
1.8.15; 1.8.15; 1.8.15; 1.8.15; 1.8.15; 1.8.15; +5 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-5641
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-5641
archives.neohapsis.com
http://archives.neohapsis.com/archives/bugtraq/2013-08/0175.html
Patch
http://downloads.asterisk.org/pub/security/AST-2013-004.html
osvdb.org
http://osvdb.org/96691
Patch
http://seclists.org/bugtraq/2013/Aug/185
Vendor Advisory
http://secunia.com/advisories/54534
secunia.com
http://secunia.com/advisories/54617
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