[ GLSA 200707-08 ] NVClock: Insecure file usage

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  Severity: Normal
     Title: NVClock: Insecure file usage
      Date: July 24, 2007
      Bugs: #184071
        ID: 200707-08

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Synopsis

A vulnerability has been discovered in NVClock, allowing for the execution of arbitrary code.

Background

NVClock is an utility for changing NVidia graphic chipsets internal frequency.

Affected packages

     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  media-video/nvclock      < 0.7-r2                       >= 0.7-r2

Description

Tavis Ormandy of the Gentoo Linux Security Team discovered that NVClock makes usage of an insecure temporary file in the /tmp directory.

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Impact

A local attacker could create a specially crafted temporary file in /tmp to execute arbitrary code with the privileges of the user running NVCLock.

Workaround

There is no known workaround at this time.

Resolution

All NVClock users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-video/nvclock-0.7-r2"

References

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  [ 1 ] CVE-2007-3531
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3531

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200707-08.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 http://bugs.gentoo.org.

License

Copyright 2007 Gentoo Foundation, Inc; referenced text belongs to its owner(s).

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