First published: Thu Mar 05 2009(Updated: )
Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey before 1.1.15 decode invisible characters when they are displayed in the location bar, which causes an incorrect address to be displayed and makes it easier for remote attackers to spoof URLs and conduct phishing attacks.
Credit: secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Firefox | <=3.0.6 | |
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 | =1.0.8 | |
Mozilla Firefox | =1.5 | |
Mozilla Firefox | =1.5.0.1 | |
Mozilla Firefox | =1.5.0.2 | |
Mozilla Firefox | =1.5.0.3 | |
Mozilla Firefox | =1.5.0.4 | |
Mozilla Firefox | =1.5.0.5 | |
Mozilla Firefox | =1.5.0.6 | |
Mozilla Firefox | =1.5.0.7 | |
Mozilla Firefox | =1.5.0.8 | |
Mozilla Firefox | =1.5.0.9 | |
Mozilla Firefox | =1.5.0.10 | |
Mozilla Firefox | =1.5.0.11 | |
Mozilla Firefox | =1.5.0.12 | |
Mozilla Firefox | =2.0 | |
Mozilla Firefox | =2.0.0.1 | |
Mozilla Firefox | =2.0.0.2 | |
Mozilla Firefox | =2.0.0.3 | |
Mozilla Firefox | =2.0.0.4 | |
Mozilla Firefox | =2.0.0.5 | |
Mozilla Firefox | =2.0.0.6 | |
Mozilla Firefox | =2.0.0.7 | |
Mozilla Firefox | =2.0.0.8 | |
Mozilla Firefox | =2.0.0.9 | |
Mozilla Firefox | =2.0.0.10 | |
Mozilla Firefox | =2.0.0.11 | |
Mozilla Firefox | =2.0.0.12 | |
Mozilla Firefox | =2.0.0.13 | |
Mozilla Firefox | =2.0.0.14 | |
Mozilla Firefox | =2.0.0.15 | |
Mozilla Firefox | =2.0.0.16 | |
Mozilla Firefox | =2.0.0.17 | |
Mozilla Firefox | =2.0.0.18 | |
Mozilla Firefox | =2.0.0.19 | |
Mozilla Firefox | =2.0.0.20 | |
Mozilla Firefox | =3.0 | |
Mozilla Firefox | =3.0.1 | |
Mozilla Firefox | =3.0.2 | |
Mozilla Firefox | =3.0.3 | |
Mozilla Firefox | =3.0.4 | |
Mozilla Firefox | =3.0.5 | |
Mozilla SeaMonkey | <=1.1.14 | |
Mozilla SeaMonkey | =1.0 | |
Mozilla SeaMonkey | =1.0.1 | |
Mozilla SeaMonkey | =1.0.2 | |
Mozilla SeaMonkey | =1.0.3 | |
Mozilla SeaMonkey | =1.0.5 | |
Mozilla SeaMonkey | =1.0.6 | |
Mozilla SeaMonkey | =1.0.7 | |
Mozilla SeaMonkey | =1.0.8 | |
Mozilla SeaMonkey | =1.0.9 | |
Mozilla SeaMonkey | =1.1 | |
Mozilla SeaMonkey | =1.1-alpha | |
Mozilla SeaMonkey | =1.1-beta | |
Mozilla SeaMonkey | =1.1.1 | |
Mozilla SeaMonkey | =1.1.2 | |
Mozilla SeaMonkey | =1.1.3 | |
Mozilla SeaMonkey | =1.1.4 | |
Mozilla SeaMonkey | =1.1.5 | |
Mozilla SeaMonkey | =1.1.6 | |
Mozilla SeaMonkey | =1.1.7 | |
Mozilla SeaMonkey | =1.1.8 | |
Mozilla SeaMonkey | =1.1.9 | |
Mozilla SeaMonkey | =1.1.10 | |
Mozilla SeaMonkey | =1.1.11 | |
Mozilla SeaMonkey | =1.1.12 | |
Mozilla SeaMonkey | =1.1.13 | |
Mozilla Thunderbird | <=2.0.0.20 | |
Mozilla Thunderbird | =2.0.0.0 | |
Mozilla Thunderbird | =2.0.0.4 | |
Mozilla Thunderbird | =2.0.0.5 | |
Mozilla Thunderbird | =2.0.0.6 | |
Mozilla Thunderbird | =2.0.0.9 | |
Mozilla Thunderbird | =2.0.0.12 | |
Mozilla Thunderbird | =2.0.0.14 | |
Mozilla Thunderbird | =2.0.0.16 | |
Mozilla Thunderbird | =2.0.0.17 | |
Mozilla Thunderbird | =2.0.0.18 | |
Mozilla Thunderbird | =2.0.0.19 |
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CVE-2009-0777 is rated as a moderate severity vulnerability due to its potential to enable phishing attacks through URL spoofing.
To fix CVE-2009-0777, update your Mozilla Firefox, Thunderbird, or SeaMonkey to the latest version available, specifically version 3.0.7 or later for Firefox, version 2.0.0.21 or later for Thunderbird, and version 1.1.15 or later for SeaMonkey.
CVE-2009-0777 affects outdated versions of Mozilla Firefox prior to 3.0.7, Thunderbird prior to 2.0.0.21, and SeaMonkey prior to 1.1.15.
CVE-2009-0777 works by allowing invisible characters to be decoded in the location bar, which can lead to misrepresentation of URLs and increase the likelihood of successful phishing attempts.
While CVE-2009-0777 has the potential for exploitation, there are no confirmed reports of active exploitation in the wild as of now.