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Ubuntu 19.04, USN-4154-1 Critical: Sudo Command Execution Threat

ubuntu
Calendar Grey October 14, 2019
Dist Ubuntu Esm H88
Keep updated on the recent sudo flaw in Ubuntu and its potential consequences for security systems and command execution threats.
Sudo could be made to run commands as root if it called with a specially crafted user ID.

Summary

Sudo could be made to run commands as root if it called with

a specially crafted user ID.

Software Description:

- sudo: Provide limited super user privileges to specific users

Details:

Joe Vennix discovered that Sudo incorrectly handled

certain user IDs. An attacker could potentially exploit this

to execute arbitrary commands as the root user.

Topics%20covered

Topics Covered

security advisory software update command execution Ubuntu sudo user ID

Update Instructions

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

Ubuntu 19.04:
  sudo                            1.8.27-1ubuntu1.1
  sudo-ldap                       1.8.27-1ubuntu1.1

Ubuntu 18.04 LTS:
  sudo                            1.8.21p2-3ubuntu1.1
  sudo-ldap                       1.8.21p2-3ubuntu1.1

Ubuntu 16.04 LTS:
  sudo                            1.8.16-0ubuntu1.8
  sudo-ldap                       1.8.16-0ubuntu1.8

Ubuntu 14.04 ESM:
  sudo                            1.8.9p5-1ubuntu1.5+esm2
  sudo-ldap                       1.8.9p5-1ubuntu1.5+esm2

Ubuntu 12.04 ESM:
  sudo                            1.8.3p1-1ubuntu3.8
  sudo-ldap                       1.8.3p1-1ubuntu3.8

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

References

https://ubuntu.com/security/notices/USN-4154-1

CVE-2019-14287

Severity
critical
Lowest
Low
Medium
High
Critical

October 14, 2019

Topics%20covered

Topics Covered

security advisory software update command execution Ubuntu sudo user ID

Package Information

https://launchpad.net/ubuntu/+source/sudo/1.8.27-1ubuntu1.1
https://launchpad.net/ubuntu/+source/sudo/1.8.21p2-3ubuntu1.1
https://launchpad.net/ubuntu/+source/sudo/1.8.16-0ubuntu1.8

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