CVE-2014-8121

Impact:
Low
Public Date:
2015-02-23
CWE:
CWE-835
Bugzilla:
1165192: CVE-2014-8121 glibc: Unexpected closing of nss_files databases after lookups causes denial of service
It was found that the files back end of Name Service Switch (NSS) did not isolate iteration over an entire database from key-based look-up API calls. An application performing look-ups on a database while iterating over it could enter an infinite loop, leading to a denial of service.

Find out more about CVE-2014-8121 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of glibc as shipped with Red Hat Enterprise Linux 6. Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This issue has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

CVSS v2 metrics

Base Score 3.3
Base Metrics AV:A/AC:L/Au:N/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (glibc) RHSA-2015:0327 2015-03-05

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 glibc Will not fix
Red Hat Enterprise Linux 5 glibc Will not fix

Acknowledgements

This issue was discovered by Robin Hack of Red Hat.

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