USN-4263-2: Sudo vulnerability

5 February 2020

Sudo could allow unintended access to the administrator account.

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Releases

Packages

  • sudo - Provide limited super user privileges to specific users

Details

USN-4263-1 fixed a vulnerability in Sudo. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Joe Vennix discovered that Sudo incorrectly handled memory operations when
the pwfeedback option is enabled. A local attacker could possibly use this
issue to obtain unintended access to the administrator account.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04
Ubuntu 12.04

In general, a standard system update will make all the necessary changes.

References

Related notices

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