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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