Mozilla, Firefox, Thunderbird, and Netscape non-ascii character buffer overflow

mozilla-netscape-nonascii-bo (17378) The risk level is classified as HighHigh Risk

Description:

Mozilla is vulnerable to a heap overflow, caused by improper handling of non-ascii characters in a URL. By creating a specially-crafted URL request containing non-ascii characters, a remote attacker could overflow a buffer and execute arbitrary code on the system, once the link is clicked. An attacker could exploit this vulnerability by hosting the malicious URL on a Web site or by sending it to a victim as an HTML email.


Consequences:

Gain Access

Remedy:

For Mozilla:
Upgrade to the latest version (1.7.3 or later), available from the Mozilla Web site. See References.

For Firefox:
Upgrade to the latest version (1.0PR or later), available from the Mozilla Web site. See References.

For Thunderbird:
Upgrade to the latest version (0.8 or later), available from the Mozilla Web site. See References.

For Gentoo Linux:
Upgrade to the latest version of Mozilla, Epiphany, Mozilla Thunderbird, and Mozilla Firefox, as listed in GLSA 200409-26. See References.

For Slackware Linux:
Upgrade to the latest Mozilla package, as listed below. Refer to slackware-security Mailing List, Wed, 22 Sep 2004 13:39:12 -0700 (PDT) for more information. See References.

Slackware Linux 10 and -current: 1.7.3-i486-1 or later

For HP Tru64 Unix 5.1A and 5.1B:
Apply the appropriate patch for your system, as listed in Hewlett-Packard Company Security Bulletin HPSBTU01081. See References.

For SuSE Linux:
Apply the update for this vulnerability, as listed in SuSE Security Announcement SUSE-SA:2004:036. See References.

For Conectiva Linux:
Upgrade to the latest mozilla package, as listed below. Refer to Conectiva Linux Security Announcement CLSA-2004:877 for more information. See References.

Conectiva Linux 10.0: 1.7.3-60868U10_1cl or later
Conectiva Linux 9: 1.7.3-27852U90_4cl or later

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

References:

Platforms Affected:

  • Compaq Tru64 5.1a
  • Compaq Tru64 5.1b
  • Conectiva Linux 10
  • Conectiva Linux 9.0
  • Gentoo Linux
  • MandrakeSoft Mandrake Linux 10.0
  • MandrakeSoft Mandrake Linux 10.0 AMD64
  • Mozilla Firefox 0.7
  • Mozilla Firefox 0.8
  • Mozilla Firefox 0.9
  • Mozilla Firefox 0.9 rc
  • Mozilla Firefox 0.9.1
  • Mozilla Firefox 0.9.2
  • Mozilla Firefox 0.9.3
  • Mozilla Mozilla 0.9.2
  • Mozilla Mozilla 1.0
  • Mozilla Mozilla 1.0 rc1
  • Mozilla Mozilla 1.0.1
  • Mozilla Mozilla 1.0.2
  • Mozilla Mozilla 1.1 Beta
  • Mozilla Mozilla 1.1 Alpha
  • Mozilla Mozilla 1.1
  • Mozilla Mozilla 1.2 Alpha
  • Mozilla Mozilla 1.2
  • Mozilla Mozilla 1.2 Beta
  • Mozilla Mozilla 1.2.1
  • Mozilla Mozilla 1.3
  • Mozilla Mozilla 1.3.1
  • Mozilla Mozilla 1.4 Alpha
  • Mozilla Mozilla 1.4 Beta
  • Mozilla Mozilla 1.4
  • Mozilla Mozilla 1.4.1
  • Mozilla Mozilla 1.4.2
  • Mozilla Mozilla 1.4.4
  • Mozilla Mozilla 1.5 Alpha
  • Mozilla Mozilla 1.5 rc2
  • Mozilla Mozilla 1.5 rc1
  • Mozilla Mozilla 1.5
  • Mozilla Mozilla 1.5.1
  • Mozilla Mozilla 1.6 Beta
  • Mozilla Mozilla 1.6 Alpha
  • Mozilla Mozilla 1.6
  • Mozilla Mozilla 1.7 rc3
  • Mozilla Mozilla 1.7
  • Mozilla Mozilla 1.7 Beta
  • Mozilla Mozilla 1.7 rc2
  • Mozilla Mozilla 1.7 rc1
  • Mozilla Mozilla 1.7 Alpha
  • Mozilla Mozilla 1.7.1
  • Mozilla Mozilla 1.7.2
  • 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
  • Netscape Navigator 7.2
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 3 AS
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • Slackware Slackware Linux 10.0
  • Slackware Slackware Linux current
  • SuSE Linux Enterprise Server 8
  • SUSE SuSE Linux 8.1
  • SUSE SuSE Linux 8.2
  • SUSE SuSE Linux 9.0
  • SUSE SuSE Linux 9.1
  • SuSE SuSE Linux Desktop 1.0
  • SuSE SuSE SLES 9

Reported:

Sep 14, 2004

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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

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