Mozilla Firefox, Thunderbird, and SeaMonkey backslash denial of service

mozilla-backslash-dos (28958) The risk level is classified as MediumMedium Risk

Description:

Mozilla Firefox, Thunderbird, and SeaMonkey are vulnerable to a denial of service, caused by improper handling of a regular expression ending with a backslash in an unterminated character set. A remote attacker could exploit this vulnerability to cause a victim's browser to crash, if the attacker could persuade the victim to visit a malicious Web site.

*CVSS:

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

Consequences:

Denial of Service

Remedy:

Refer to Mozilla Foundation Security Advisory 2006-57 for upgrade or suggested workaround information. See References.

For Red Hat Linux 4 (Firefox):
Refer to RHSA-2006:0675-5 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux (Seamonkey):
Refer to RHSA-2006:0676-10 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux 4 (Thunderbird):
Refer to RHSA-2006:0677-5 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (Firefox):
Refer to Gentoo Linux Security Announcement GLSA 200609-19 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (Thunderbird):
Refer to Gentoo Linux Security Announcement GLSA 200610-01 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (Seamonkey):
Refer to Gentoo Linux Security Announcement GLSA 200610-04 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux (Thunderbird):
Refer to DSA-1191-1 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux (Mozilla):
Refer to DSA-1192-1 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux (Firefox):
Refer to DSA-1210-1 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux:
Refer to SUSE-SA:2006:054 for patch, upgrade, or suggested workaround information. See References.

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

References:

  • MFSA 2006-57: JavaScript Regular Expression Heap Corruption.
  • ASA-2006-196: seamonkey security update (RHSA-2006-0676)
  • ASA-2006-219: thunderbird security update (RHSA-2006-0677)
  • ASA-2006-224: firefox security update (RHSA-2006-0675)
  • ASA-2007-097: HP-UX Running Firefox Remote Unauthorized Access or Elevation of Privileges or Denial of Service (DoS) (HPSBUX02153)
  • BID-20042: Mozilla Firefox/Thunderbird/Seamonkey Multiple Remote Vulnerabilities
  • CVE-2006-4566: Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) via a malformed JavaScript regular expression that ends with a backslash in an unterminated character set ([\\), which leads to a buffer over-read.
  • DSA-1191: mozilla-thunderbird -- several vulnerabilities
  • DSA-1192: mozilla -- several vulnerabilities
  • DSA-1210: mozilla-firefox -- several vulnerabilities
  • GLSA-200609-19: Mozilla Firefox: Multiple vulnerabilities
  • GLSA-200610-01: Mozilla Thunderbird: Multiple vulnerabilities
  • GLSA-200610-04: Seamonkey: Multiple vulnerabilities
  • MDKSA-2006:168: Updated Firefox packages fix multiple vulnerabilities
  • MDKSA-2006:169: Updated Thunderbird packages fix multiple vulnerabilities
  • RHSA-2006-0675: firefox security update
  • RHSA-2006-0676: seamonkey security update
  • RHSA-2006-0677: thunderbird security update
  • SA21906: Mozilla Firefox Multiple Vulnerabilities
  • SA21939: Mozilla Thunderbird Multiple Vulnerabilities
  • SA21940: Mozilla SeaMonkey Multiple Vulnerabilities
  • SA22422: Avaya Products Firefox Multiple Vulnerabilities
  • SA24711: Netscape Multiple Vulnerabilities
  • SECTRACK ID: 1016846: Mozilla Firefox Javascript Bugs Let Remote Users Execute Arbitrary Code
  • SECTRACK ID: 1016847: Mozilla Seamonkey Javascript Bugs Let Remote Users Execute Arbitrary Code
  • SECTRACK ID: 1016848: Mozilla Thunderbird Javascript Bugs Let Remote Users Execute Arbitrary Code
  • SUSE-SA:2006:054: Mozilla Firefox security update
  • US-CERT VU#141528: Mozilla products fail to properly handle JavaScript regular expressions
  • USN-350-1: Thunderbird vulnerabilities
  • USN-351-1: Firefox vulnerabilities
  • USN-352-1: Thunderbird vulnerabilities
  • USN-354-1: Firefox vulnerabilities
  • VUPEN/ADV-2006-3617: Mozilla Products Remote Code Execution and Cross Site Scripting Vulnerabilities
  • VUPEN/ADV-2006-3748: HP-UX Security Update Fixes Mozilla Firefox Command Execution Vulnerabilities
  • VUPEN/ADV-2007-1198: Netscape Browser Security Update Fixes Multiple Remote Code Execution Vulnerabilities
  • VUPEN/ADV-2008-0083: HP-UX Security Update Fixes Firefox Command Execution Vulnerabilities

Platforms Affected:

  • Canonical Ubuntu 5.10
  • Canonical Ubuntu 6.06 LTS
  • Debian Debian Linux 3.1
  • Gentoo Linux
  • MandrakeSoft Mandrake Linux 2006 X86_64
  • MandrakeSoft Mandrake Linux 2006
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 4.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • Mozilla Firefox 1.5 rc3
  • Mozilla Firefox 1.5 rc2
  • Mozilla Firefox 1.5 Beta2
  • Mozilla Firefox 1.5 Beta1
  • Mozilla Firefox 1.5 rc1
  • Mozilla Firefox 1.5
  • Mozilla Firefox 1.5.0.1
  • Mozilla Firefox 1.5.0.1 rc1
  • 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 SeaMonkey 1.0 Dev
  • Mozilla SeaMonkey 1.0
  • Mozilla SeaMonkey 1.0 Beta
  • Mozilla SeaMonkey 1.0 Alpha
  • Mozilla SeaMonkey 1.0.1
  • Mozilla SeaMonkey 1.0.2
  • Mozilla SeaMonkey 1.0.3
  • Mozilla SeaMonkey 1.0.4
  • 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 1.5.0.5
  • Mozilla Thunderbird 1.5.0.6
  • Novell Linux Desktop 9
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux WS
  • RedHat Enterprise Linux AS
  • RedHat Enterprise Linux ES
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • SUSE SuSE Linux 10.0
  • SUSE SuSE Linux 10.1
  • SUSE SuSE Linux 9.2
  • SUSE SuSE Linux 9.3
  • SuSE SuSE SLED 10
  • SuSE SuSE SLES 10

Reported:

Sep 14, 2006

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