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  4. Attack: Horde Groupware Sources Packages Backdoor CVE-2012-0209

Attack: Horde Groupware Sources Packages Backdoor CVE-2012-0209

Severity: High

This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.


This signature detects attempts to access a backdoor in Horde Groupware which could result in arbitrary code execution.

Additional Information

Horde Groupware is a web-based collaboration suite implemented in PHP.

Horde Groupware is prone to a backdoor vulnerability. This issue occurs because the Horde Groupware source code repository was compromised and replaced with source code packages that contain a backdoor.

Attackers can exploit this issue to execute arbitrary code in the context of the application. Successful attacks will compromise the affected application.


  • Horde Groupware versions 1.2.10 between November 2, 2011, and February 7, 2012, are vulnerable.
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