Vulnerability CVE-2012-3446

Vulnerability CVE-2012-3446

Published: 2012-11-04 Modified: 2012-11-05

Description:

Apache Libcloud before 0.11.1 uses an incorrect regular expression during verification of whether the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate.

See advisories in our WLB2 database:

	Topic	Author	Date
Med.	Apache Libcloud 0.11.1 Possible Man In The Middle (MITM)	Martin Georgiev,...	03.08.2012

Type:

CWE-20

(Improper Input Validation)

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

CVSS Base Score	Impact Subscore	Exploitability Subscore
5.8/10	4.9/10	8.6/10

Exploit range	Attack complexity	Authentication
Remote	Medium	No required
Confidentiality impact	Integrity impact	Availability impact
Partial	Partial	None

Affected software
Apache -> Libcloud

References:

https://svn.apache.org/repos/asf/libcloud/trunk/CHANGES

http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf

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