Vulnerability CVE-2013-0157
Published: 2014-01-21

Description:
(a) mount and (b) umount in util-linux 2.14.1, 2.17.2, and probably other versions allow local users to determine the existence of restricted directories by (1) using the --guess-fstype command-line option or (2) attempting to mount a non-existent device, which generates different error messages depending on whether the directory exists.

Type:

CWE-200

 (Information Exposure)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Kernel -> Util-linux 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=892330
http://www.mandriva.com/security/advisories?name=MDVSA-2013:154
http://rhn.redhat.com/errata/RHSA-2013-0517.html
http://osvdb.org/88953
http://marc.info/?l=oss-security&m=135749410312247&w=2
http://bugs.debian.org/697464
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