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CVE-2014-8121

Date: March 27, 2015

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.

Language: C

Severity Score

Related Resources (13)

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html
https://sourceware.org/ml/libc-alpha/2015-02/msg00617.html
http://www.securityfocus.com/bid/73038
https://nvd.nist.gov/vuln/detail/CVE-2014-8121
https://security.gentoo.org/glsa/201602-02
http://www.debian.org/security/2016/dsa-3480
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
https://bugzilla.redhat.com/show_bug.cgi?id=1165192
http://rhn.redhat.com/errata/RHSA-2015-0327.html
http://www.ubuntu.com/usn/USN-2985-1
https://access.redhat.com/security/cve/CVE-2014-8121
http://www.ubuntu.com/usn/USN-2985-2
https://www.mend.io/vulnerability-database/CVE-2014-8121

Severity Score

Weakness Type (CWE)

Code

CWE-17

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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