Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

Ubuntu 12.04 LTS USN-1802-1 Moderate: Samba Write Access Issue

ubuntu
Calendar Grey April 16, 2013
Scroller Ubuntu
The Samba flaw exposes systems to unauthorized file alterations on Ubuntu, necessitating prompt updates to safeguard the networks.
Samba would allow unintended write access to files over the network.

Summary

Samba would allow unintended write access to files over the network.

Software Description:

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

Details:

It was discovered that Samba incorrectly handled CIFS share attributes when

SMB2 was used. A remote authenticated user could possibly gain write access

to certain shares, bypassing the intended permissions.

Topics%20covered

Topics Covered

security advisory moderate samba Ubuntu network write access authorized access

Update Instructions

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

Ubuntu 12.04 LTS:
  samba                           2:3.6.3-2ubuntu2.6

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

References

https://ubuntu.com/security/notices/USN-1802-1

CVE-2013-0454

April 16, 2013

Topics%20covered

Topics Covered

security advisory moderate samba Ubuntu network write access authorized access

Package Information

https://launchpad.net/ubuntu/+source/samba/2:3.6.3-2ubuntu2.6

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.