Mozilla Network Security Services RSA signature validation security bypass

mozilla-nss-security-bypass (30098) The risk level is classified as MediumMedium Risk

Description:

Mozilla Firefox, Thunderbird, and SeaMonkey could allow a remote attacker to bypass security, caused by improper verification of RSA signatures by the Network Security Services (NSS) library. A remote attacker could exploit this vulnerability to forge PKCS #1 v1.5 signatures and bypass security restrictions.

*CVSS:

Base Score: 2.8
  Access Vector: Remote
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 2.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Refer to Mozilla Foundation Security Advisory 2006-66 for upgrade or suggested workaround information. See References.

For Debian Linux (Mozilla):
Refer to DSA-1224-1 for patch, upgrade, or suggested workaround information. See References.

For Debian Linux (Thunderbird):
Refer to DSA-1227-1 for patch, upgrade, or suggested workaround information. See References.

For Debian Linux (Firefox):
Refer to DSA-1225-2 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (Thunderbird):
Refer to Gentoo Linux Security Announcement GLSA 200612-06 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (Firefox):
Refer to Gentoo Linux Security Announcement GLSA 200612-07 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (SeaMonkey):
Refer to Gentoo Linux Security Announcement GLSA 200612-08 for patch, upgrade, or suggested workaround information. See References.

For Sun Solaris:
Refer to Sun Alert ID: 102781 for patch information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

  • MFSA 2006-66: RSA Signature Forgery (variant).
  • Sun Alert ID: 102781: RSA Signature Forgery Issues in Mozilla 1.7 for Solaris 8, 9 and 10.
  • ASA-2006-244: thunderbird security update (RHSA-2006-0735)
  • ASA-2006-246: firefox security update (RHSA-2006-0733)
  • ASA-2006-247: seamonkey security update (RHSA-2006-0734)
  • ASA-2007-044: RSA Signature Forgery Issues in Mozilla 1.7 for Solaris 8 9 and 10 (Sun 102781)
  • ASA-2007-097: HP-UX Running Firefox Remote Unauthorized Access or Elevation of Privileges or Denial of Service (DoS) (HPSBUX02153)
  • CVE-2006-4340: Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, 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 1.5.0.7 are covered by CVE-2006-5462.
  • CVE-2006-5462: Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before 1.5.0.8, Thunderbird before 1.5.0.8, and SeaMonkey before 1.0.6, 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. NOTE: this identifier is for unpatched product versions that were originally intended to be addressed by CVE-2006-4340.
  • DSA-1224: mozilla -- several vulnerabilities
  • DSA-1225: mozilla-firefox -- several vulnerabilities
  • DSA-1227: mozilla-thunderbird -- several vulnerabilities
  • GLSA-200609-19: Mozilla Firefox: Multiple vulnerabilities
  • GLSA-200610-01: Mozilla Thunderbird: Multiple vulnerabilities
  • GLSA-200610-06: Mozilla Network Security Service (NSS): RSA signature forgery
  • GLSA-200612-06: Mozilla Thunderbird: Multiple vulnerabilities
  • GLSA-200612-07: Mozilla Firefox: Multiple vulnerabilities
  • GLSA-200612-08: SeaMonkey: Multiple vulnerabilities
  • MDKSA-2006:168: Updated Firefox packages fix multiple vulnerabilities
  • MDKSA-2006:169: Updated Thunderbird packages fix multiple vulnerabilities
  • MDKSA-2006:205: Updated Firefox packages fix multiple vulnerabilities
  • MDKSA-2006:206: Updated Thunderbird packages fix multiple vulnerabilities
  • RHSA-2006-0675: firefox security update
  • RHSA-2006-0676: seamonkey security update
  • RHSA-2006-0677: thunderbird security update
  • RHSA-2006-0733: Critical: firefox security update
  • RHSA-2006-0734: Critical: seamonkey security update
  • RHSA-2006-0735: Critical: thunderbird security update
  • SA21903: Network Security Services (NSS) Signature Forgery Vulnerability
  • SA21906: Mozilla Firefox Multiple Vulnerabilities
  • SA21939: Mozilla Thunderbird Multiple Vulnerabilities
  • SA21940: Mozilla SeaMonkey Multiple Vulnerabilities
  • SA22226: Sun Solaris RSA Signature Forgery Vulnerability
  • SA22422: Avaya Products Firefox Multiple Vulnerabilities
  • SA22722: Mozilla Firefox and SeaMonkey Multiple Vulnerabilities
  • SA22770: Mozilla Thunderbird Multiple Vulnerabilities
  • SA22965: Avaya Messaging Storage Server Firefox Multiple Vulnerabilities
  • SA22992: Avaya CMS Sun Solaris X Display Manager Security Issue
  • SA24711: Netscape Multiple Vulnerabilities
  • SECTRACK ID: 1016858: Mozilla Firefox Certificate Signatures Can Be Forged
  • SECTRACK ID: 1016859: Mozilla Seamonkey Certificate Signatures Can Be Forged
  • SECTRACK ID: 1016860: Mozilla Thunderbird Certificate Signatures Can Be Forged
  • SECTRACK ID: 1017180: Mozilla Seamonkey RSA Signatures Can Be Forged
  • SECTRACK ID: 1017181: Mozilla Thunderbird RSA Signatures Can Be Forged
  • SECTRACK ID: 1017182: Mozilla Firefox RSA Signatures Can Be Forged
  • SUSE-SA:2006:054: Mozilla Firefox security update
  • SUSE-SA:2006:055: PKCS RSA signature forgery
  • SUSE-SA:2006:068: Mozilla Firefox 1.5.0.8 release
  • US-CERT VU#335392: The Mozilla Network Security Services library fails to properly verify RSA signatures
  • USN-350-1: Thunderbird vulnerabilities
  • USN-351-1: Firefox vulnerabilities
  • USN-352-1: Thunderbird vulnerabilities
  • USN-354-1: Firefox vulnerabilities
  • USN-361-1: Mozilla vulnerabilities
  • USN-381-1: Firefox vulnerabilities
  • USN-382-1: Thunderbird vulnerabilities

Platforms Affected:

  • Canonical Ubuntu 5.04
  • Canonical Ubuntu 5.10
  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 6.10
  • Debian Debian Linux 3.1
  • Gentoo Linux
  • MandrakeSoft Mandrake Linux 2006
  • MandrakeSoft Mandrake Linux 2006 X86_64
  • MandrakeSoft Mandrake Linux 2007 X86_64
  • MandrakeSoft Mandrake Linux 2007
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • Mozilla Firefox 1.5
  • Mozilla Firefox 1.5 Beta2
  • Mozilla Firefox 1.5 Beta1
  • Mozilla Firefox 1.5.0.1
  • Mozilla Firefox 1.5.0.2
  • Mozilla Firefox 1.5.0.3
  • Mozilla Firefox 1.5.0.4
  • Mozilla Firefox 1.5.0.5
  • Mozilla Firefox 1.5.0.6
  • Mozilla Firefox 1.5.0.7
  • Mozilla Network Security Services 3.11.2
  • Mozilla Network Security Services 3.11.3
  • Mozilla SeaMonkey 1.0 Alpha
  • Mozilla SeaMonkey 1.0 Beta
  • Mozilla SeaMonkey 1.0
  • Mozilla SeaMonkey 1.0 Dev
  • Mozilla SeaMonkey 1.0.1
  • Mozilla SeaMonkey 1.0.2
  • Mozilla SeaMonkey 1.0.3
  • Mozilla SeaMonkey 1.0.4
  • Mozilla SeaMonkey 1.0.5
  • Mozilla Thunderbird 1.5 Beta2
  • Mozilla Thunderbird 1.5
  • Mozilla Thunderbird 1.5.0.1
  • Mozilla Thunderbird 1.5.0.2
  • Mozilla Thunderbird 1.5.0.3
  • Mozilla Thunderbird 1.5.0.4
  • Mozilla Thunderbird 1.5.0.6
  • Mozilla Thunderbird 1.5.0.7
  • Novell Linux Desktop 9
  • Novell Linux POS 9
  • Novell Open Enterprise Server
  • Novell Open Enterprise Server
  • Novell UnitedLinux 1.0
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 ES
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • Sun Solaris 10 x64
  • Sun Solaris 10 SPARC
  • Sun Solaris 8 SPARC
  • Sun Solaris 8 x86
  • Sun Solaris 9 x86
  • Sun Solaris 9 SPARC
  • SUSE SuSE Linux 10.0
  • SUSE SuSE Linux 10.1
  • SuSE SuSE Linux Retail Solution 8
  • SuSE SuSE SLED 10
  • SuSE SuSE SLES 10
  • SuSE SuSE SLES 9

Reported:

Nov 07, 2006

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