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Ubuntu 14.04 ESM: USN-4705-2 Critical: Sudo Memory Access Risk

ubuntu
Calendar Grey January 27, 2021
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-4705-2 January 27, 2021 sudo vulnerability A security issue affects these
Several security issues were fixed in Sudo.

Summary

Several security issues were fixed in Sudo.

Software Description:

- sudo: Provide limited super user privileges to specific users

Details:

USN-4705-1 fixed a vulnerability in Sudo. This update provides

the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Sudo incorrectly handled memory when parsing command

lines. A local attacker could possibly use this issue to obtain unintended

access to the administrator account. (CVE-2021-3156)

Topics%20covered

Topics Covered

security advisory critical access control security fix Ubuntu sudo memory access ubuntu 14.04 local access risk

Update Instructions

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

Ubuntu 14.04 ESM:
  sudo                            1.8.9p5-1ubuntu1.5+esm6

Ubuntu 12.04 ESM:
  sudo                            1.8.3p1-1ubuntu3.10

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

References

https://ubuntu.com/security/notices/USN-4705-1

CVE-2021-3156

Severity
critical
Lowest
Low
Medium
High
Critical

January 27, 2021

Topics%20covered

Topics Covered

security advisory critical access control security fix Ubuntu sudo memory access ubuntu 14.04 local access risk

Package Information

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