Unscored severity · published Jul 6, 2011
CVE-2011-2535
chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before…
–
CVSS
4.6%
EPSS
No
On KEV
Description
chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame.
Exploitation
Is it being used?
Exploit prediction (EPSS)4.6% · higher than 92% 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-2535
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-2535
Patch
http://downloads.asterisk.org/pub/security/AST-2011-010-1.8.diff
Vendor Advisory
http://downloads.asterisk.org/pub/security/AST-2011-010.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
Vendor Advisory
http://secunia.com/advisories/44973
Vendor Advisory
http://secunia.com/advisories/45048
secunia.com
http://secunia.com/advisories/45201
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