Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 543
Alerts This Week
Warning Icon 1 543

Ubuntu 16.04 LTS USN-4341-3 Moderate: Samba Denial of Service

ubuntu
Calendar Grey April 29, 2020
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-4350-1 concerns a vulnerability in OpenSSH impacting Ubuntu 20.04 LTS that could lead to unauthorized access.
USN-4341-1 introduced a regression in Samba.

Summary

USN-4341-1 introduced a regression in Samba.

Software Description:

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

Details:

USN-4341-1 fixed vulnerabilities in Samba. The updated packages for

Ubuntu 16.04 LTS introduced a regression when using LDAP. This update fixes

the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that Samba incorrectly handled certain LDAP queries. A

remote attacker could possibly use this issue to cause Samba to consume

resources, resulting in a denial of service. (CVE-2020-10704)

Topics%20covered

Topics Covered

security advisory denial of service samba Ubuntu regression

Update Instructions

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

Ubuntu 16.04 LTS:
  samba                           2:4.3.11+dfsg-0ubuntu0.16.04.27

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

References

https://ubuntu.com/security/notices/USN-4341-3

https://ubuntu.com/security/notices/USN-4341-1

https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1875798

April 29, 2020

Topics%20covered

Topics Covered

security advisory denial of service samba Ubuntu regression

Package Information

https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-0ubuntu0.16.04.27

Get the latest News and Insights

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