GLSA 201806-08: file: Denial of service

Severity:normal
Title:file: Denial of service
Date:06/23/2018
Bugs: #657930
ID:201806-08

Synopsis

A vulnerability in file could lead to a Denial of Service condition.

Background

file is a utility that guesses a file format by scanning binary data for patterns.

Affected packages

Package Vulnerable Unaffected Architecture(s)
sys-apps/file < 5.33-r2 >= 5.33-r2 All supported architectures

Description

File does not properly utilize the do_core_note function in readelf.c in libmagic.a.

Impact

A remote attacker could send a specially crafted ELF file possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All file users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-apps/file-5.33-r2"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201806-08.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!