medium
4.3
CWE
20
Advisory Published
CVE Published
Updated

CVE-2009-1834: Input Validation

First published: Mon Jun 01 2009(Updated: )

Mozilla add-on developer Pavel Cvrcek reported that certain invalid unicode characters, when used as part of an IDN, are displayed as whitespace in the location bar. This whitespace could be used to force part of the URL out of view in the location bar. An attacker could use this vulnerability to spoof the location bar and display a misleading URL for their malicious web page.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Mozilla SeaMonkey=1.1.10
Mozilla Firefox=0.1
Mozilla Firefox=0.9_rc
Mozilla SeaMonkey=1.0.3
Mozilla Firefox=0.8
Mozilla Firefox=2.0.0.12
Mozilla Firefox=1.5-beta2
Mozilla Firefox=2.0_.7
Mozilla SeaMonkey=1.1.8
Mozilla SeaMonkey<=1.1.16
Mozilla Firefox=3.0.7
Mozilla Firefox=1.5.2
Mozilla SeaMonkey=1.0.1
Mozilla SeaMonkey=1.1.7
Mozilla Firefox=3.0.9
Mozilla SeaMonkey=1.0.6
Mozilla Firefox=1.5.0.6
Mozilla Firefox=1.8
Mozilla SeaMonkey=1.0.9
Mozilla SeaMonkey=1.1.3
Mozilla Firefox=2.0.0.2
Mozilla Firefox=1.5.0.10
Mozilla Firefox=1.5.0.3
Mozilla SeaMonkey=1.0
Mozilla Firefox=3.0.8
Mozilla Firefox=1.5.0.11
Mozilla Firefox=1.4.1
Mozilla SeaMonkey=1.0.99
Mozilla Firefox=1.5.4
Mozilla SeaMonkey=1.1.5
Mozilla Firefox=1.0.2
Mozilla SeaMonkey=1.0-beta
Mozilla Firefox=3.0.4
Mozilla Firefox=1.5-beta1
Mozilla SeaMonkey=1.1-alpha
Mozilla Firefox=2.0_8
Mozilla Firefox=2.0_.9
Mozilla Firefox=3.0.5
Mozilla SeaMonkey=1.0-alpha
Mozilla Firefox=1.5
Mozilla Firefox=0.9.1
Mozilla Firefox=1.0.4
Mozilla Firefox=2.0.0.7
Mozilla Firefox=1.0.7
Mozilla SeaMonkey=1.1.12
Mozilla SeaMonkey=1.1
Mozilla Firefox=2.0.0.9
Mozilla Firefox=0.10.1
Mozilla Firefox=2.0_.1
Mozilla Firefox=0.9
Mozilla Firefox=2.0.0.16
Mozilla Firefox=3.0-beta2
Mozilla Firefox=1.5.6
Mozilla Firefox=2.0.0.17
Mozilla Firefox=0.7
Mozilla Firefox=2.0.0.15
Mozilla SeaMonkey=1.0
Mozilla Firefox=0.2
Mozilla SeaMonkey=1.0.8
Mozilla Firefox=0.3
Mozilla SeaMonkey=1.1.11
Mozilla Firefox=2.0_.10
Mozilla Firefox=1.0
Mozilla Firefox=3.0.3
Mozilla SeaMonkey=1.1-beta
Mozilla SeaMonkey=1.1.1
Mozilla Firefox=1.5.0.7
Mozilla Firefox=2.0
Mozilla Firefox=1.0.1
Mozilla SeaMonkey=1.1.5-1.1.10
Mozilla Firefox=2.0-beta1
Mozilla Firefox=2.0.0.14
Mozilla Firefox=0.6
Mozilla Firefox<=3.0.10
Mozilla Firefox=0.7.1
Mozilla SeaMonkey=1.1.15
Mozilla Firefox=3.0.6
Mozilla Firefox=1.5.0.8
Mozilla Firefox=2.0_.5
Mozilla Firefox=1.0.6
Mozilla Firefox=2.0.0.3
Mozilla Firefox=1.5.0.9
Mozilla Firefox=1.5.0.5
Mozilla Firefox=1.5.7
Mozilla Firefox=1.5.0.12
Mozilla Firefox=2.0.0.6
Mozilla SeaMonkey=1.1.6
Mozilla Firefox=3.0
Mozilla Firefox=2.0.0.11
Mozilla Firefox=1.5.0.2
Mozilla Firefox=1.0.3
Mozilla Firefox=3.0.1
Mozilla Firefox=2.0.0.4
Mozilla Firefox=0.5
Mozilla Firefox=0.6.1
Mozilla Firefox=1.5.1
Mozilla Firefox=2.0.0.21
Mozilla Firefox=0.9.3
Mozilla SeaMonkey=1.0
Mozilla Firefox=2.0.0.13
Mozilla Firefox=2.0.0.18
Mozilla SeaMonkey=1.0
Mozilla Firefox=2.0-rc2
Mozilla Firefox=2.0.0.1
Mozilla Firefox=3.0.2
Mozilla Firefox=2.0_.6
Mozilla Firefox=2.0_.4
Mozilla SeaMonkey=1.0.4
Mozilla Firefox=1.5.5
Mozilla Firefox=0.9.2
Mozilla Firefox=1.0-preview_release
Mozilla Firefox=2.0-beta_1
Mozilla SeaMonkey=1.1.9
Mozilla SeaMonkey=1.1.13
Mozilla Firefox=2.0.0.20
Mozilla Firefox=2.0.0.8
Mozilla Firefox=3.0-beta5
Mozilla Firefox=0.9-rc
Mozilla Firefox=2.0.0.19
Mozilla Firefox=1.5.8
Mozilla Firefox=1.5.3
Mozilla Firefox=0.4
Mozilla Firefox=1.5.0.4
Mozilla Firefox=1.5.0.1
Mozilla Firefox=0.10
Mozilla Firefox=1.0.5
Mozilla Firefox=2.0.0.5
Mozilla Firefox=2.0.0.10
Mozilla Firefox=2.0-rc3
Mozilla Firefox=3.0-alpha
Mozilla Firefox=1.0.6
Mozilla Firefox=1.0.8

Remedy

http://www.vupen.com/english/advisories/2009/1572

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-1834?

    CVE-2009-1834 has been rated as a moderate severity vulnerability due to the potential for URL tampering.

  • How do I fix CVE-2009-1834?

    To fix CVE-2009-1834, update to the latest version of Mozilla Firefox or SeaMonkey that addresses this vulnerability.

  • In which software is CVE-2009-1834 found?

    CVE-2009-1834 affects multiple versions of Mozilla Firefox and SeaMonkey.

  • What impact does CVE-2009-1834 have?

    CVE-2009-1834 can lead to phishing attacks by obscuring parts of a URL in the browser's location bar.

  • Is CVE-2009-1834 exploitable remotely?

    Yes, CVE-2009-1834 can be exploited remotely through crafted URLs to mislead users.

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