Vulnerability Monitor

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CVE-2014-8121

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.

Security Impact Summary

CVE-2014-8121 is a security vulnerability that . Impacting 4 products from suse, from suse, from gnu and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-03-27T14:59:03.353

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-17

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	suse	suse_linux_enterprise_desktop	11	Yes
Operating System	suse	suse_linux_enterprise_desktop	11	Yes
Operating System	suse	suse_linux_enterprise_server	11.0	Yes
Operating System	suse	suse_linux_enterprise_server	11.0	Yes
Operating System	suse	suse_linux_enterprise_server	11.0	Yes
Application	gnu	glibc	≤ 2.21	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.10	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html Mailing List ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html Mailing List ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-0327.html Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3480 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/73038 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2985-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2985-2 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1165192 Exploit, Issue Tracking ([email protected])
https://security.gentoo.org/glsa/201602-02 Third Party Advisory ([email protected])
https://sourceware.org/ml/libc-alpha/2015-02/msg00617.html Exploit ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-0327.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3480 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/73038 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2985-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2985-2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1165192 Exploit, Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201602-02 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/ml/libc-alpha/2015-02/msg00617.html Exploit (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For suse's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.