Multiple Mozilla products CSS letter-spacing element integer overflow

mozilla-css-letterspacing-overflow (25826) The risk level is classified as HighHigh Risk

Description:

Multiple Mozilla products, including Firefox, Thunderbird, Mozilla Suite and SeaMonkey, are vulnerable to an integer overflow caused by improper handling of the CSS letter-spacing element. A remote attacker could exploit this vulnerability using a malicious Web page to cause a heap-based buffer overflow and execute arbitrary code on the victim's system, if the attacker could persuade the victim to visit the malicious page.


Consequences:

Gain Access

Remedy:

Refer to Mozilla Foundation Security Advisory 2006-22 for upgrade or suggested workaround information. See References.

For Debian GNU/Linux (Mozilla):
Refer to DSA-1046-1 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux (Firefox):
Refer to DSA-1044-1 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux (Thunderbird):
Refer to DSA-1051-1 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (Thunderbird):
Refer to Gentoo Linux Security Announcement GLSA 2006-05-09 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (Firefox):
Refer to Gentoo Linux Security Announcement GLSA 2006-04-12 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux (Mozilla):
Refer to Gentoo Linux Security Announcement GLSA 2006-04-18 for patch, upgrade, or suggested workaround information. See References.

For Ubuntu Linux:
Refer to USN-271-1 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux:

Refer to SUSE Security Announcement SUSE-SA:2006:021 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux:
Refer to SUSE Security Announcement SUSE-SA:2006:022 for patch, upgrade, or suggested workaround information. See References.

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

References:

  • MFSA 2006-22: CSS Letter-Spacing Heap Overflow Vulnerability.
  • Mozilla Web site: The SeaMonkey Project.
  • Mozilla Web site: Thunderbird.
  • Mozilla Web site: Firefox - Rediscover the Web.
  • Mozilla Web site: Mozilla Suite.
  • Sun Alert ID: 228526: Multiple Security Vulnerabilites in Mozilla 1.4 and 1.7 for Solaris and for Sun JDS for Linux.
  • ZDI-06-010: Mozilla Firefox CSS Letter-Spacing Heap Overflow Vulnerability.
  • ASA-2006-085: Mozilla Firefox and Thunderbird security update (RHSA-2006-0328 RHSA-2006-0329 RHSA-2006-330)
  • 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-17516: Mozilla Suite, Firefox, SeaMonkey, and Thunderbird Multiple Remote Vulnerabilities
  • CVE-2006-1730: Integer overflow in Mozilla Firefox and Thunderbird 1.x before 1.5.0.2 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0.1 allows remote attackers to execute arbitrary code via a large number in the CSS letter-spacing property that leads to a heap-based buffer overflow.
  • DSA-1044: mozilla-firefox -- several vulnerabilities
  • DSA-1046: mozilla -- several vulnerabilities
  • DSA-1051: mozilla-thunderbird -- several vulnerabilities
  • GLSA-200604-12: Mozilla Firefox: Multiple vulnerabilities
  • GLSA-200604-18: Mozilla Suite: Multiple vulnerabilities
  • GLSA-200605-09: Mozilla Thunderbird: Multiple vulnerabilities
  • MDKSA-2006:075: Updated mozilla-firefox packages fix numerous vulnerabilities
  • MDKSA-2006:076: Updated mozilla packages fix numerous vulnerabilities
  • MDKSA-2006:078: Updated mozilla-thunderbird packages fix numerous vulnerabilities
  • RHSA-2006-0328: firefox security update
  • RHSA-2006-0329: mozilla security update
  • RHSA-2006-0330: thunderbird security update
  • SA19631: Firefox Multiple Vulnerabilities
  • SA19649: Mozilla SeaMonkey Multiple Vulnerabilities
  • SECTRACK ID: 1015915: Mozilla Thunderbird Integer Overflow in CSS Letter-Spacing Property Lets Remote Users Execute Arbitrary Code
  • SECTRACK ID: 1015916: Mozilla Seamonkey Integer Overflow in CSS Letter-Spacing Property Lets Remote Users Execute Arbitrary Code
  • SECTRACK ID: 1015917: Mozilla Browser Suite Integer Overflow in CSS Letter-Spacing Property Lets Remote Users Execute Arbitrary Code
  • SECTRACK ID: 1015918: Mozilla Firefox Integer Overflow in CSS Letter-Spacing Property Lets Remote Users Execute Arbitrary Code
  • SUSE-SA:2006:021: Mozilla Firefox and Mozilla suite various security problems
  • SUSE-SA:2006:022: MozillaThunderbird various problems
  • US-CERT VU#179014: Mozilla CSS integer overflow vulnerability
  • USN-271-1: Firefox vulnerabilities
  • USN-275-1: Mozilla vulnerabilities
  • USN-276-1: Thunderbird vulnerabilities
  • VUPEN/ADV-2006-1356: Mozilla Products Memory Corruption and Information Disclosure Vulnerabilities
  • VUPEN/ADV-2006-3391: Sun Security Update Fixes Mozilla Browser Remote Code Execution Vulnerabilities
  • VUPEN/ADV-2006-3748: HP-UX Security Update Fixes Mozilla Firefox Command Execution Vulnerabilities
  • VUPEN/ADV-2006-3749: HP-UX Security Update Fixes Mozilla Thunderbird Code Execution Vulnerabilities
  • VUPEN/ADV-2008-0083: HP-UX Security Update Fixes Firefox Command Execution Vulnerabilities

Platforms Affected:

  • Canonical Ubuntu 4.10
  • Canonical Ubuntu 5.04
  • Canonical Ubuntu 5.10
  • Debian Debian Linux 3.1
  • Gentoo Linux
  • MandrakeSoft Mandrake Linux 2006
  • MandrakeSoft Mandrake Linux 2006 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • 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 Mozilla Suite 1.7.10
  • Mozilla Mozilla Suite 1.7.11
  • Mozilla Mozilla Suite 1.7.12
  • Mozilla Mozilla Suite 1.7.6
  • Mozilla Mozilla Suite 1.7.7
  • Mozilla Mozilla Suite 1.7.8
  • Mozilla SeaMonkey 1.0 Beta
  • Mozilla SeaMonkey 1.0 Alpha
  • 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
  • Novell Linux Desktop 9
  • Novell UnitedLinux 1.0
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 ES
  • 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
  • SuSE Linux Enterprise Server 8
  • SUSE SuSE Linux 10.0
  • SUSE SuSE Linux 9.1
  • SUSE SuSE Linux 9.2
  • SUSE SuSE Linux 9.3
  • SuSE SuSE Linux Desktop 1.0
  • SuSE SuSE SLES 9

Reported:

Apr 13, 2006

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