Vulnerability CVE-2014-8121

Vulnerability CVE-2014-8121

Published: 2015-03-27

Description:

DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to cause a denial of service (infinite loop) by performing a look-up on a database while iterating over it, which triggers the file pointer to be reset.

Type:

CWE-17

(Code)

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
SUSE -> Suse linux enterprise desktop
SUSE -> Suse linux enterprise server
Novell -> Suse linux enterprise desktop
Novell -> Suse linux enterprise server
GNU -> Glibc
Canonical -> Ubuntu linux

References:

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html

http://rhn.redhat.com/errata/RHSA-2015-0327.html

http://www.debian.org/security/2016/dsa-3480

http://www.securityfocus.com/bid/73038

http://www.ubuntu.com/usn/USN-2985-1

http://www.ubuntu.com/usn/USN-2985-2

https://bugzilla.redhat.com/show_bug.cgi?id=1165192

https://security.gentoo.org/glsa/201602-02

https://sourceware.org/ml/libc-alpha/2015-02/msg00617.html

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