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Ubuntu 14.04 ESM: USN-4341-2 Moderate Samba Resource Exhaustion

ubuntu
Calendar Grey April 29, 2020
Dist Ubuntu Esm H88
A new weakness in Samba could lead to resource depletion via specially designed LDAP requests. Make sure to upgrade your Ubuntu system for enhanced security.
Samba could be made to consume resources if it received a specially crafted LDAP query.

Summary

Samba could be made to consume resources if it received a specially

crafted LDAP query.

Software Description:

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

Details:

USN-4341-1 fixed a vulnerability in Samba. This update provides

the corresponding update for Ubuntu 14.04 ESM.

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 resource exhaustion

Update Instructions

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

Ubuntu 14.04 ESM:
  samba                           2:4.3.11+dfsg-0ubuntu0.14.04.20+esm6

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

References

https://ubuntu.com/security/notices/USN-4341-2

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

CVE-2020-10704

Severity
important
Lowest
Low
Medium
High
Critical

April 29, 2020

Topics%20covered

Topics Covered

security advisory denial of service samba Ubuntu resource exhaustion

Package Information

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