National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-8121 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html Mailing List
http://rhn.redhat.com/errata/RHSA-2015-0327.html Third Party Advisory
http://www.debian.org/security/2016/dsa-3480 Third Party Advisory
http://www.securityfocus.com/bid/73038 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2985-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2985-2 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1165192 Exploit Issue Tracking
https://security.gentoo.org/glsa/201602-02 Third Party Advisory
https://sourceware.org/ml/libc-alpha/2015-02/msg00617.html Exploit

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:suse_linux_enterprise_server:11.0:sp3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:suse_linux_enterprise_server:11.0:sp3:*:*:*:vmware:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:suse_linux_enterprise_server:11.0:sp4:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.21

Configuration 3 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

12 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-8121
NVD Published Date:
03/27/2015
NVD Last Modified:
10/17/2018