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Last updated: 8/2/2015 2:31:12 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2014-1492

Original release date: 03/25/2014
Last revised: 04/14/2015


The cert_TestHostName function in lib/certdb/certdb.c in the certificate-checking implementation in Mozilla Network Security Services (NSS) before 3.16 accepts a wildcard character that is embedded in an internationalized domain name's U-label, which might allow man-in-the-middle attackers to spoof SSL servers via a crafted certificate.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://www.vmware.com/security/advisories/VMSA-2014-0012.html
External Source: FULLDISC
Name: 20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities
External Source: FEDORA
Name: FEDORA-2014-5829
External Source: CONFIRM
Name: http://www.mozilla.org/security/announce/2014/mfsa2014-45.html
External Source: CONFIRM
Name: https://hg.mozilla.org/projects/nss/rev/709d4e597979
Type: Patch Information; Exploit
External Source: CONFIRM
Name: https://developer.mozilla.org/en-US/docs/NSS/NSS_3.16_release_notes
External Source: SUSE
Name: openSUSE-SU-2014:0629
External Source: DEBIAN
Name: DSA-2994
External Source: SUSE
Name: SUSE-SU-2014:0665
External Source: FULLDISC
Name: 20150402 NEW : VMSA-2015-0003 VMware product updates address critical information disclosure issue in JRE
External Source: CONFIRM
Name: http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
External Source: UBUNTU
Name: USN-2159-1
External Source: CONFIRM
Name: https://bugzilla.mozilla.org/show_bug.cgi?id=903885
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=1079851
External Source: BUGTRAQ
Name: 20150402 NEW : VMSA-2015-0003 VMware product updates address critical information disclosure issue in JRE
External Source: BUGTRAQ
Name: 20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities
External Source: MISC
Name: http://packetstormsecurity.com/files/131271/VMware-Security-Advisory-2015-0003.html
External Source: CONFIRM
Name: http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
External Source: SUSE
Name: SUSE-SU-2014:0727
External Source: UBUNTU
Name: USN-2185-1
External Source: SUSE
Name: openSUSE-SU-2014:0599

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:mozilla:network_security_services:
* cpe:/a:mozilla:network_security_services:3.15.5 and previous versions
* cpe:/a:mozilla:network_security_services:3.15.4
* cpe:/a:mozilla:network_security_services:3.11.2
* cpe:/a:mozilla:network_security_services:3.11.3
* cpe:/a:mozilla:network_security_services:3.11.4
* cpe:/a:mozilla:network_security_services:3.11.5
* cpe:/a:mozilla:network_security_services:3.12
* cpe:/a:mozilla:network_security_services:3.12.1
* cpe:/a:mozilla:network_security_services:3.12.10
* cpe:/a:mozilla:network_security_services:3.12.11
* cpe:/a:mozilla:network_security_services:3.12.2
* cpe:/a:mozilla:network_security_services:3.12.3
* cpe:/a:mozilla:network_security_services:
* cpe:/a:mozilla:network_security_services:
* cpe:/a:mozilla:network_security_services:3.12.4
* cpe:/a:mozilla:network_security_services:3.12.5
* cpe:/a:mozilla:network_security_services:3.12.6
* cpe:/a:mozilla:network_security_services:3.12.7
* cpe:/a:mozilla:network_security_services:3.12.8
* cpe:/a:mozilla:network_security_services:3.12.9
* cpe:/a:mozilla:network_security_services:3.14
* cpe:/a:mozilla:network_security_services:3.14.1
* cpe:/a:mozilla:network_security_services:3.14.2
* cpe:/a:mozilla:network_security_services:3.14.3
* cpe:/a:mozilla:network_security_services:3.14.4
* cpe:/a:mozilla:network_security_services:3.14.5
* cpe:/a:mozilla:network_security_services:3.15
* cpe:/a:mozilla:network_security_services:3.15.1
* cpe:/a:mozilla:network_security_services:3.15.2
* cpe:/a:mozilla:network_security_services:3.15.3
* cpe:/a:mozilla:network_security_services:3.2
* cpe:/a:mozilla:network_security_services:3.2.1
* cpe:/a:mozilla:network_security_services:3.3
* cpe:/a:mozilla:network_security_services:3.3.1
* cpe:/a:mozilla:network_security_services:3.3.2
* cpe:/a:mozilla:network_security_services:3.4
* cpe:/a:mozilla:network_security_services:3.4.1
* cpe:/a:mozilla:network_security_services:3.4.2
* cpe:/a:mozilla:network_security_services:3.5
* cpe:/a:mozilla:network_security_services:3.6
* cpe:/a:mozilla:network_security_services:3.6.1
* cpe:/a:mozilla:network_security_services:3.7
* cpe:/a:mozilla:network_security_services:3.7.1
* cpe:/a:mozilla:network_security_services:3.7.2
* cpe:/a:mozilla:network_security_services:3.7.3
* cpe:/a:mozilla:network_security_services:3.7.5
* cpe:/a:mozilla:network_security_services:3.7.7
* cpe:/a:mozilla:network_security_services:3.8
* cpe:/a:mozilla:network_security_services:3.9

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)

Change History 3 change records found - show changes