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  5. OSVDB-110439

OSVDB-110439: Remote Code Execution

August 25, 2014

The gem contains a flaw in Uploading & Processing that is due to the gem failing to restrict arbitrary commands to imagemagicks convert. This may allow a remote attacker to gain read/write access to the filesystem and execute arbitrary commands.

References

  • osvdb.org/show/osvdb/110439

Code Behaviors & Features

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Affected versions

All versions before 1.0.7

Fixed versions

  • 1.0.7

Solution

Upgrade to version 1.0.7, or higher, to address this vulnerability. It is also possible to temporarily mitigate this issue by implementing the following workaround: version 1.0.6 introduced the HMAC signing feature which prevents this issue, but it was not enabled by default. 1.0.7 enables it by default.

Source file

gem/dragonfly/OSVDB-110439.yml

Spotted a mistake? Edit the file on GitLab.

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