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CVE-2014-8121

5.0 · MEDIUM

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 t…

Published Mar 27, 2015suseCWE-17EPSS 5.61%

Overview

CVE-2014-8121 is a medium-severity vulnerability affecting suse suse_linux_enterprise_desktop. It was published on March 27, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from suse. Update suse_linux_enterprise_desktop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
gnuglibc0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2015-08/msg00019.htmlReflists.opensuse.org/opensuse-security-announce/2016-02/msg00036.htmlRefrhn.redhat.com/errata/RHSA-2015-0327.htmlRefwww.debian.org/security/2016/dsa-3480Refwww.securityfocus.com/bid/73038Refwww.ubuntu.com/usn/USN-2985-1Refwww.ubuntu.com/usn/USN-2985-2Refbugzilla.redhat.com/show_bug.cgi?id=1165192Refsecurity.gentoo.org/glsa/201602-02Refsourceware.org/ml/libc-alpha/2015-02/msg00617.html

How CyberStrike helps

Frequently asked questions

What is CVE-2014-8121?

CVE-2014-8121 is a medium-severity vulnerability affecting suse suse_linux_enterprise_desktop. It was published on March 27, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2014-8121?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-8121?

Check the references section for vendor advisories and patches from suse. Update suse_linux_enterprise_desktop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-8121?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-8121 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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