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Ubuntu 18.04 LTS: USN-5261-1 Important OpenSSL Vulnerability Mitigation

ubuntu
Calendar Grey February 1, 2022
Dist Ubuntu Esm H88
A vulnerability in Samba on Ubuntu enables remote attackers to disrupt the service or run applications as an administrator through specially designed traffic.
Samba could be made to crash or run programs as an administrator if it received specially crafted network traffic.

Summary

Samba could be made to crash or run programs as an administrator if it

received specially crafted network traffic.

Software Description:

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

Details:

Orange Tsai discovered that the Samba vfs_fruit module incorrectly handled

certain memory operations. A remote attacker could use this issue to cause

Samba to crash, resulting in a denial of service, or possibly execute

arbitrary code as root. (CVE-2021-44142)

Topics%20covered

Topics Covered

security advisory denial of service remote exploit critical samba ubuntu

Update Instructions

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

Ubuntu 18.04 LTS:
  samba                           2:4.7.6+dfsg~ubuntu-0ubuntu2.28

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

References

https://ubuntu.com/security/notices/USN-5260-2

https://ubuntu.com/security/notices/USN-5260-1

CVE-2021-44142

Severity
important
Lowest
Low
Medium
High
Critical

February 01, 2022

Topics%20covered

Topics Covered

security advisory denial of service remote exploit critical samba ubuntu

Package Information

https://launchpad.net/ubuntu/+source/samba/2:4.7.6+dfsg~ubuntu-0ubuntu2.28

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