CVE-2014-8121
MEDIUM severity · CVSS 5 · CWE-17
5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)6%
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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.htmlAdvisory
- http://www.debian.org/security/2016/dsa-3480Advisory
- http://www.securityfocus.com/bid/73038Advisory
- http://www.ubuntu.com/usn/USN-2985-1Advisory
- http://www.ubuntu.com/usn/USN-2985-2Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1165192Exploit