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Ubuntu 12.04 ESM USN-3353-4 Critical: Samba Remote Access Issue

ubuntu
Calendar Grey July 24, 2017
Dist Ubuntu Esm H88
A critical flaw in Samba which permits unauthorized entry to network services has been detected in Ubuntu 12.04 ESM. Please apply the update immediately.
Samba could allow unintended access to network services.

Summary

Samba could allow unintended access to network services.

Software Description:

- samba: SMB/CIFS file, print, and login server for Unix

Details:

USN-3353-1 fixed a vulnerability in Heimdal. This update provides the

corresponding update for Samba.

Original advisory details:

 Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered

 that Samba clients incorrectly trusted unauthenticated portions

 of Kerberos tickets. A remote attacker could use this to impersonate

 trusted network services or perform other attacks.

Topics%20covered

Topics Covered

security advisory critical remote access samba ubuntu network services

Update Instructions

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

Ubuntu 12.04 ESM:
  libsmbclient                    2:3.6.25-0ubuntu0.12.04.12

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

References

 

  https://ubuntu.com/security/notices/USN-3353-1

  CVE-2017-11103

Severity
critical
Lowest
Low
Medium
High
Critical

July 24, 2017

Topics%20covered

Topics Covered

security advisory critical remote access samba ubuntu network services

Package Information

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