medium
4.3
CWE
79
Advisory Published
Updated

CVE-2012-4207: XSS

First published: Wed Nov 21 2012(Updated: )

The HZ-GB-2312 character-set implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 does not properly handle a ~ (tilde) character in proximity to a chunk delimiter, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Firefox<17.0
Firefox>=10.0<10.0.11
Mozilla SeaMonkey<2.14
Thunderbird<17.0
Mozilla Thunderbird>=10.0<10.0.11
SUSE Linux=11.4
SUSE Linux=12.1
SUSE Linux=12.2
SUSE Linux Enterprise Desktop=10-sp4
SUSE Linux Enterprise Desktop=11-sp2
SUSE Linux Enterprise Server=10-sp4
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Software Development Kit=10-sp4
SUSE Linux Enterprise Software Development Kit=11-sp2
Red Hat Enterprise Linux Desktop=5.0
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Server EUS=6.3
Red Hat Enterprise Linux Server=5.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Workstation=5.0
Red Hat Enterprise Linux Workstation=6.0
Debian=6.0
Debian=7.0
Ubuntu=10.04
Ubuntu=11.10
Ubuntu=12.04
Ubuntu=12.10
Firefox ESR>=10.0<10.0.11

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=801681

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-4207?

    The severity of CVE-2012-4207 is classified as moderate.

  • How do I fix CVE-2012-4207?

    To fix CVE-2012-4207, update to Mozilla Firefox versions 17.0 or later, Thunderbird 17.0 or later, and SeaMonkey 2.14 or later.

  • Which software is affected by CVE-2012-4207?

    CVE-2012-4207 affects Mozilla Firefox versions prior to 17.0, Thunderbird prior to 17.0, and SeaMonkey prior to 2.14.

  • Is CVE-2012-4207 present in Firefox ESR 10.x?

    Yes, CVE-2012-4207 affects Firefox ESR 10.x versions before 10.0.11.

  • Can CVE-2012-4207 be exploited remotely?

    Yes, CVE-2012-4207 can be exploited remotely, allowing attackers to conduct various attacks.

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