Mozilla Firefox and Thunderbird BOM UTF-8 encoded cross-site scripting

mozilla-bom-utf8-xss (26852) The risk level is classified as MediumMedium Risk

Description:

Mozilla Firefox could allow a remote attacker to perform cross-site scripting attacks, caused by improper conversion of Unicode Byte-order-Mark (BOM) on UTF-8 encoded Web pages. A remote attacker could exploit this vulnerability to execute arbitrary script in a victim's browser within the security context of the affected Web site, allowing the attacker to steal the victim's cookie-based authentication credentials.

*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:

Gain Access

Remedy:

Refer to Mozilla Foundation Security Advisory 2006-42 for upgrade or suggested workaround information. See References.

For Debian GNU/Linux (Firefox):
Refer to DSA-1120-1 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux (Mozilla):
Refer to DSA-1118-1 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux (Thunderbird):
Refer to DSA-1134-1 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux (Seamonkey):
Refer to RHSA-2006:0609-9 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux 2.1(Seamonkey):
Refer to RHSA-2006:0594-9 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux (Thunderbird):
Refer to RHSA-2006:0611-3 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux (Firefox):
Refer to RHSA-2006:0610-4 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux:
Refer to SUSE-SA:2006:035 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Apply the appropriate update for your system. See References.

References:

  • Apple Web site: About the security content of iPhone v2.0 and iPod touch v2.0.
  • Apple Web site: About the security content of Safari 4.0.
  • MFSA 2006-42: Web site XSS using BOM on UTF-8 pages.
  • ASA-2006-146: seamonkey security update (was mozilla) (RHSA-2006-0578)
  • ASA-2006-151: firefox seamonkey and thunderbird security update (RHSA-2006-0609 RHSA-2006-0610 and RHSA-2006-0611)
  • ASA-2006-208: seamonkey security update (was mozilla) (RHSA-2006-0594)
  • ASA-2006-259: HP-UX Firefox Vulnerabilities
  • ASA-2007-097: HP-UX Running Firefox Remote Unauthorized Access or Elevation of Privileges or Denial of Service (DoS) (HPSBUX02153)
  • ASA-2007-135: HP-UX Running Thunderbird Remote Unauthorized Access or Elevation of Privileges or Denial of Service (HPSBUX02156)
  • BID-18228: Mozilla Firefox, SeaMonkey, Camino, and Thunderbird Multiple Remote Vulnerabilities
  • BID-30186: Apple iPhone and iPod Touch Prior to Version 2.0 Multiple Remote Vulnerabilities
  • CVE-2006-2783: Mozilla Firefox and Thunderbird before 1.5.0.4 strip the Unicode Byte-order-Mark (BOM) from a UTF-8 page before the page is passed to the parser, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a BOM sequence in the middle of a dangerous tag such as SCRIPT.
  • DSA-1118: mozilla -- several vulnerabilities
  • DSA-1120: mozilla-firefox -- several vulnerabilities
  • DSA-1134: mozilla-thunderbird -- several vulnerabilities
  • GLSA-200606-12: Mozilla Firefox: Multiple vulnerabilities
  • GLSA-200606-21: Mozilla Thunderbird: Multiple vulnerabilities
  • GLSA-200703-05: Mozilla Suite: Multiple vulnerabilities
  • MDKSA-2006:143: Updated Firefox packages fix multiple vulnerabilities
  • MDKSA-2006:143-1: Updated Firefox packages fix multiple vulnerabilities
  • MDKSA-2006:145: Updated Firefox packages fix multiple vulnerabilities
  • MDKSA-2006:146: Updated Thunderbird packages fix multiple vulnerabilities
  • RHSA-2006-0578: seamonkey security update (was mozilla)
  • RHSA-2006-0594: seamonkey security update (was mozilla)
  • RHSA-2006-0609: seamonkey security update
  • RHSA-2006-0610: firefox security update
  • RHSA-2006-0611: thunderbird security update
  • SA20376: Firefox Multiple Vulnerabilities
  • SA20382: Thunderbird Multiple Vulnerabilities
  • SA31074: Apple iPhone / iPod touch Multiple Vulnerabilities
  • SA35379: Apple Safari Multiple Vulnerabilities
  • SECTRACK ID: 1016202: Mozilla Firefox Bugs Permit Arbitrary Code Execution, Cross-Site Scripting, and HTTP Response Smuggling
  • SECTRACK ID: 1016214: Mozilla Thunderbird Bugs Permit Arbitrary Code Execution, Cross-Site Scripting, and HTTP Response Smuggling
  • SUSE-SA:2006:035: Mozilla browser security problems
  • USN-296-1: Firefox vulnerabilities
  • USN-296-2: Firefox vulnerabilities
  • USN-297-1: Thunderbird vulnerabilities
  • USN-297-2: Thunderbird extensions update for recent security update
  • USN-297-3: Thunderbird vulnerabilities
  • USN-323-1: Mozilla vulnerabilities

Platforms Affected:

  • Apple iPhone 1.0
  • Apple iPhone 1.1.1
  • Apple iPhone 1.1.2
  • Apple iPhone 1.1.3
  • Apple iPhone 1.1.4
  • Apple iPod touch 1.1
  • Apple iPod touch 1.1.1
  • Apple iPod touch 1.1.2
  • Apple iPod touch 1.1.3
  • Apple iPod touch 1.1.4
  • Apple Mac OS X 10.4.11
  • Apple Mac OS X 10.5.7
  • Apple Mac OS X Server 10.4.11
  • Apple Mac OS X Server 10.5.7
  • Apple Safari 0.8
  • Apple Safari 0.9
  • Apple Safari 1.0
  • Apple Safari 1.0.3
  • Apple Safari 1.1
  • Apple Safari 1.2
  • Apple Safari 1.3
  • Apple Safari 1.3.1
  • Apple Safari 1.3.2
  • Apple Safari 2.0
  • Apple Safari 2.0.2
  • Apple Safari 2.0.4
  • Apple Safari 3.0
  • Apple Safari 3.0.1
  • Apple Safari 3.0.2
  • Apple Safari 3.0.2 Mac
  • Apple Safari 3.0.3
  • Apple Safari 3.0.4
  • Apple Safari 3.1
  • Apple Safari 3.1.1
  • Apple Safari 3.1.2
  • Apple Safari 3.2
  • Apple Safari 3.2.1
  • Apple Safari 3.2.2
  • Apple Safari 3.2.3
  • Apple Safari 4.0 Beta
  • Canonical Ubuntu 5.04
  • 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 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • Mozilla Firefox 0.10
  • Mozilla Firefox 0.10.1
  • Mozilla Firefox 0.8
  • Mozilla Firefox 0.9 rc
  • Mozilla Firefox 0.9
  • Mozilla Firefox 0.9.1
  • Mozilla Firefox 0.9.2
  • Mozilla Firefox 0.9.3
  • Mozilla Firefox 1.0
  • Mozilla Firefox 1.0.1
  • Mozilla Firefox 1.0.2
  • Mozilla Firefox 1.0.3
  • Mozilla Firefox 1.0.4
  • Mozilla Firefox 1.0.5
  • Mozilla Firefox 1.0.6
  • Mozilla Firefox 1.0.7
  • 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 Thunderbird 0.1
  • Mozilla Thunderbird 0.2
  • Mozilla Thunderbird 0.3
  • Mozilla Thunderbird 0.4
  • Mozilla Thunderbird 0.5
  • Mozilla Thunderbird 0.6
  • Mozilla Thunderbird 0.7
  • Mozilla Thunderbird 0.7.1
  • Mozilla Thunderbird 0.7.2
  • Mozilla Thunderbird 0.7.3
  • Mozilla Thunderbird 0.8
  • Mozilla Thunderbird 0.9
  • Mozilla Thunderbird 1.0
  • Mozilla Thunderbird 1.0.1
  • Mozilla Thunderbird 1.0.2
  • Mozilla Thunderbird 1.0.3
  • Mozilla Thunderbird 1.0.4
  • Mozilla Thunderbird 1.0.5
  • Mozilla Thunderbird 1.0.5 Beta
  • Mozilla Thunderbird 1.0.6
  • Mozilla Thunderbird 1.0.7
  • Mozilla Thunderbird 1.5
  • Mozilla Thunderbird 1.5 Beta2
  • Mozilla Thunderbird 1.5.0.1
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 WS
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • SUSE SuSE Linux 10.1
  • SuSE SuSE SLES 9

Reported:

Jun 01, 2006

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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