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Last updated: 5/29/2016 10:39:56 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2006-4340

Original release date: 09/15/2006
Last revised: 09/07/2013


Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before, Thunderbird before, and SeaMonkey before 1.0.5, when using an RSA key with exponent 3, does not properly handle extra data in a signature, which allows remote attackers to forge signatures for SSL/TLS and email certificates, a similar vulnerability to CVE-2006-4339. NOTE: on 20061107, Mozilla released an advisory stating that these versions were not completely patched by MFSA2006-60. The newer fixes for are covered by CVE-2006-5462.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.0 MEDIUM
Impact Subscore: 4.9
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification

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External Source: UBUNTU
Name: USN-361-1
External Source: VUPEN
Name: ADV-2008-0083
External Source: MISC
Name: http://www.mozilla.org/security/announce/2006/mfsa2006-66.html
External Source: VUPEN
Name: ADV-2006-3899
External Source: SGI
Name: 20060901-01-P
External Source: UBUNTU
Name: USN-354-1
External Source: MLIST
Name: [ietf-openpgp] 20060827 Bleichenbacher's RSA signature forgery based on implementation error
External Source: UBUNTU
Name: USN-350-1
External Source: SUNALERT
Name: 102781
External Source: GENTOO
Name: GLSA-200610-06
External Source: VUPEN
Name: ADV-2006-3617
External Source: VUPEN
Name: ADV-2007-0293
External Source: XF
Name: mozilla-nss-security-bypass(30098)
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2006-224.htm
External Source: HP
Name: SSRT061181
US-CERT Vulnerability Note: CERT
Name: TA06-312A
External Source: VUPEN
Name: ADV-2006-3622
External Source: DEBIAN
Name: DSA-1191
External Source: REDHAT
Name: RHSA-2006:0675
Type: Advisory
External Source: GENTOO
Name: GLSA-200610-01
External Source: OVAL
Name: oval:org.mitre.oval:def:11007
External Source: UBUNTU
Name: USN-352-1
External Source: SECTRACK
Name: 1016858
External Source: DEBIAN
Name: DSA-1192
External Source: UBUNTU
Name: USN-351-1
External Source: CONFIRM
Name: http://www.mozilla.org/security/announce/2006/mfsa2006-60.html
External Source: SUSE
Name: SUSE-SA:2006:054
External Source: REDHAT
Name: RHSA-2006:0677
Type: Advisory; Patch Information
External Source: SUSE
Name: SUSE-SA:2006:055
External Source: DEBIAN
Name: DSA-1210
External Source: SECTRACK
Name: 1016859
External Source: SUNALERT
Name: 102648
External Source: MANDRIVA
Name: MDKSA-2006:169
External Source: VUPEN
Name: ADV-2007-1198
External Source: VUPEN
Name: ADV-2006-3748
External Source: SECTRACK
Name: 1016860
External Source: REDHAT
Name: RHSA-2006:0676
Type: Advisory; Patch Information
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-640
External Source: GENTOO
Name: GLSA-200609-19
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2006-250.htm
External Source: MANDRIVA
Name: MDKSA-2006:168
External Source: MISC
Name: http://www.matasano.com/log/469/many-rsa-signatures-may-be-forgeable-in-openssl-and-elsewhere/
External Source: BUGTRAQ
Name: 20060915 rPSA-2006-0169-1 firefox thunderbird

References to Check Content

Identifier: oval:org.mitre.oval:def:11007
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

+ Configuration 1
+ OR
cpe:/a:mozilla:firefox: and previous versions
cpe:/a:mozilla:network_security_services:3.11.2 and previous versions
cpe:/a:mozilla:seamonkey:1.0.4 and previous versions
cpe:/a:mozilla:thunderbird: and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)