Unscored severity · published Jul 9, 2012
CVE-2012-3863
channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before…
–
CVSS
3.2%
EPSS
No
On KEV
Description
channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asterisk · Digium
1.8.0; 1.8.0; 1.8.0; 1.8.0; 1.8.0; 1.8.0; +34 more · source: NVD
AB
Asterisk Business Edition · Digium
c.3.1; c.3.3; c.3.7.4 · source: NVD
AS
Asteriske · Digium
1.8.8.0; 1.8.9.1 · source: NVD
CA
Certified Asterisk · Digium
1.8.11; 1.8.11; 1.8.11; 1.8.11; 1.8.11; 1.8.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-3863
CVE.org
https://www.cve.org/CVERecord?id=CVE-2012-3863
Patch
http://downloads.asterisk.org/pub/security/AST-2012-010.html
secunia.com
http://secunia.com/advisories/50687
secunia.com
http://secunia.com/advisories/50756
www.debian.org
http://www.debian.org/security/2012/dsa-2550
www.securityfocus.com
http://www.securityfocus.com/bid/54327
issues.asterisk.org
https://issues.asterisk.org/jira/browse/ASTERISK-19992
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