Advisory Published
Updated

REDHAT-BUG-251921

First published: Mon Aug 13 2007(Updated: )

Directory traversal vulnerability was discovered in GNU tar. Vulnerability can be exploited by specially crafted tar archive to overwrite arbitrary file writable by user running tar. Problem occurs in contains_dot_dot function, which does not properly check names of directory symlinks. Acknowledgements: Red Hat would like to thank Dmitry V. Levin for reporting this issue.

Affected SoftwareAffected VersionHow to fix
Ubuntu tar

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Frequently Asked Questions

  • What is the severity of REDHAT-BUG-251921?

    The severity of REDHAT-BUG-251921 is considered high due to the potential for arbitrary file overwriting.

  • How do I fix REDHAT-BUG-251921?

    To fix REDHAT-BUG-251921, update to the latest patched version of GNU tar that addresses the directory traversal vulnerability.

  • What systems are affected by REDHAT-BUG-251921?

    The systems affected by REDHAT-BUG-251921 include those running vulnerable versions of GNU tar.

  • Can REDHAT-BUG-251921 be exploited remotely?

    Yes, REDHAT-BUG-251921 can be exploited remotely through the distribution of specially crafted tar archives.

  • What are the potential impacts of exploiting REDHAT-BUG-251921?

    Exploiting REDHAT-BUG-251921 may allow an attacker to overwrite arbitrary files, which could lead to unauthorized access or system compromise.

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