CVE-2009-2061: Critical severity Mozilla Firefox vulnerability

Published Jun 15, 2009
·
Updated

Mozilla Firefox before 3.0.10 processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying this CONNECT response to specify a 302 redirect to an arbitrary https web site.

Affected Software

87 affected components
Mozilla Firefox=0.1
Mozilla Firefox=0.9_rc
Mozilla Firefox=0.8
Mozilla Firefox=2.0.0.12
Mozilla Firefox=1.5-beta2
Mozilla Firefox=3.0.7
Mozilla Firefox=1.5.2
Mozilla Firefox<=3.0.9
Mozilla Firefox=1.5.0.6
Mozilla Firefox=1.5.0.10
Mozilla Firefox=1.5.0.3
Mozilla Firefox=3.0.8
Mozilla Firefox=1.5.0.11
Mozilla Firefox=1.4.1
Mozilla Firefox=1.5.4
Mozilla Firefox=1.0.2
Mozilla Firefox=3.0.4
Mozilla Firefox=1.5-beta1
Mozilla Firefox=2.0_.9
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 Firefox=2.0.0.9
Mozilla Firefox=0.10.1
Mozilla Firefox=2.0_.1
Mozilla Firefox=0.9
Mozilla Firefox=1.5.6
Mozilla Firefox=2.0.0.17
Mozilla Firefox=0.7
Mozilla Firefox=2.0.0.15
Mozilla Firefox=0.2
Mozilla Firefox=0.3
Mozilla Firefox=1.0
Mozilla Firefox=1.5.0.7
Mozilla Firefox=2.0
Mozilla Firefox=1.0.1
Mozilla Firefox=2.0.0.14
Mozilla Firefox=0.6
Mozilla Firefox=0.7.1
Mozilla Firefox=3.0.6
Mozilla Firefox=1.5.0.8
Mozilla Firefox=2.0_.5
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 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 Firefox=2.0.0.13
Mozilla Firefox=2.0.0.18
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 Firefox=1.5.5
Mozilla Firefox=0.9.2
Mozilla Firefox=1.0-preview_release
Mozilla Firefox=2.0-beta_1
Mozilla Firefox=2.0.0.20
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=1.0.6
Mozilla Firefox=1.0.8

Event History

Jun 15, 2009
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2009-2061?

CVE-2009-2061 has a severity rating that can lead to arbitrary web script execution by a man-in-the-middle, making it a significant security concern.

2

How do I fix CVE-2009-2061?

To mitigate CVE-2009-2061, upgrade to Mozilla Firefox version 3.0.10 or later, where this issue has been resolved.

3

What versions of Firefox are affected by CVE-2009-2061?

CVE-2009-2061 affects Mozilla Firefox versions prior to 3.0.10, including various earlier versions.

4

Can CVE-2009-2061 allow attackers to intercept traffic?

Yes, CVE-2009-2061 allows man-in-the-middle attackers to intercept and redirect HTTPS traffic due to improper handling of HTTP CONNECT responses.

5

Who is affected by CVE-2009-2061?

Users of vulnerable versions of Mozilla Firefox prior to 3.0.10 are at risk from CVE-2009-2061.

Contact

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