medium
6.9
CWE
362
Advisory Published
CVE Published
Updated

CVE-2011-5117: Race Condition

First published: Fri Aug 24 2012(Updated: )

Sophos SafeGuard Enterprise Device Encryption 5.x through 5.50.8.13, Sophos SafeGuard Easy Device Encryption Client 5.50.x, and Sophos Disk Encryption 5.50.x have a delay before removal of (1) out-of-date credentials and (2) invalid credentials, which allows physically proximate attackers to defeat the full-disk encryption feature by leveraging knowledge of these credentials.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Sophos SafeGuard Enterprise=5.6
Sophos SafeGuard Enterprise=5.35.0
Sophos SafeGuard Enterprise=5.35.1
Sophos SafeGuard Enterprise=5.35.2
Sophos SafeGuard Enterprise=5.35.3
Sophos SafeGuard Enterprise=5.40.0
Sophos SafeGuard Enterprise=5.50.0
Sophos SafeGuard Enterprise=5.50.1
Sophos SafeGuard Enterprise=5.50.8
Sophos SafeGuard Easy Device Encryption Client=5.50.0
Sophos SafeGuard Easy Device Encryption Client=5.50.1
Sophos SafeGuard Easy Device Encryption Client=5.50.8
Sophos Disk Encryption=5.50.0
Sophos Disk Encryption=5.50.1
Sophos Disk Encryption=5.50.8

Remedy

http://www.sophos.com/en-us/support/knowledgebase/112655.aspx

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-5117?

    CVE-2011-5117 is classified as a medium-severity vulnerability due to the potential for local attackers to exploit the delay in credential removal.

  • How do I fix CVE-2011-5117?

    To remediate CVE-2011-5117, it is advised to upgrade to the latest version of Sophos SafeGuard Enterprise Device Encryption, SafeGuard Easy Device Encryption Client, or Sophos Disk Encryption.

  • Which versions of Sophos software are affected by CVE-2011-5117?

    CVE-2011-5117 affects Sophos SafeGuard Enterprise Device Encryption versions 5.35.0 to 5.50.8, SafeGuard Easy Device Encryption Client versions 5.50.0 to 5.50.8, and Sophos Disk Encryption versions 5.50.0 to 5.50.8.

  • What type of attack does CVE-2011-5117 facilitate?

    CVE-2011-5117 allows physically proximate attackers to bypass security by exploiting a delay in credential updates.

  • Is there a patch available for CVE-2011-5117?

    Yes, Sophos has released patches in the form of software updates for the affected products to address CVE-2011-5117.

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