Advisory Published
Updated

REDHAT-BUG-2139911

First published: Thu Nov 03 2022(Updated: )

Sudo 1.8.0 through 1.9.12, with the crypt() password backend, contains a plugins/sudoers/auth/passwd.c array-out-of-bounds error that can result in a heap-based buffer over-read. This can be triggered by arbitrary local users with access to Sudo by entering a password of seven characters or fewer. The impact could vary depending on the compiler and processor architecture.

Affected SoftwareAffected VersionHow to fix
CentOS Sudo>=1.8.0<=1.9.12

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Frequently Asked Questions

  • What is the severity of REDHAT-BUG-2139911?

    The severity of REDHAT-BUG-2139911 is classified as high due to the potential for a local user to exploit a heap-based buffer over-read.

  • How do I fix REDHAT-BUG-2139911?

    To fix REDHAT-BUG-2139911, update Sudo to a version higher than 1.9.12.

  • Who is affected by REDHAT-BUG-2139911?

    All local users with access to Sudo versions between 1.8.0 and 1.9.12 are affected by REDHAT-BUG-2139911.

  • What causes REDHAT-BUG-2139911?

    REDHAT-BUG-2139911 is caused by an array-out-of-bounds error in the Sudoers password authentication plugin.

  • Can REDHAT-BUG-2139911 be exploited remotely?

    No, REDHAT-BUG-2139911 can only be exploited by local users with Sudo access.

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