Vulnerability CVE-2010-0441
Published: 2010-02-04   Modified: 2012-02-13

Description:
Asterisk Open Source 1.6.0.x before 1.6.0.22, 1.6.1.x before 1.6.1.14, and 1.6.2.x before 1.6.2.2, and Business Edition C.3 before C.3.3.2, allows remote attackers to cause a denial of service (daemon crash) via an SIP T.38 negotiation with an SDP FaxMaxDatagram field that is (1) missing, (2) modified to contain a negative number, or (3) modified to contain a large number.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
T.38 asterisk 1.6.1.12 Remote Crash Vulnerability
Asterisk Securit...
06.02.2010

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Asterisk -> Asterisk 

 References:
http://downloads.asterisk.org/pub/security/AST-2010-001-1.6.0.diff
http://downloads.asterisk.org/pub/security/AST-2010-001-1.6.1.diff
http://downloads.asterisk.org/pub/security/AST-2010-001-1.6.2.diff
http://downloads.asterisk.org/pub/security/AST-2010-001.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-March/037679.html
http://securitytracker.com/id?1023532
http://www.securityfocus.com/archive/1/509327/100/0/threaded
http://www.securityfocus.com/bid/38047
http://www.vupen.com/english/advisories/2010/0289
https://issues.asterisk.org/view.php?id=16517
https://issues.asterisk.org/view.php?id=16634
https://issues.asterisk.org/view.php?id=16724
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