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Unscored severity · published Sep 9, 2013
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…
–
CVSS
11.7%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)11.7% · higher than 96% 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
AD
Asterisk Digiumphones · Digium
10.0.0; 10.0.0; 10.0.0; 10.11.0; 10.11.0; 10.11.0; +6 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
Affected product
AS
Asterisk
Digium
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-5642
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-5642
archives.neohapsis.com
http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html
Patch
http://downloads.asterisk.org/pub/security/AST-2013-005.html
osvdb.org
http://osvdb.org/96690
Vendor Advisory
http://secunia.com/advisories/54534
secunia.com
http://secunia.com/advisories/54617
www.debian.org
http://www.debian.org/security/2013/dsa-2749
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