USN-4341-1: Samba vulnerabilities
samba vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Samba.
Software Description
- samba – SMB/CIFS file, print, and login server for Unix
Details
Andrei Popa discovered that Samba incorrectly handled certain LDAP queries.
A remote attacker could use this issue to cause Samba to crash, resulting
in a denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 19.10 and Ubuntu 20.04 LTS. (CVE-2020-10700)
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 20.04 LTS
- samba – 2:4.11.6+dfsg-0ubuntu1.1
- Ubuntu 19.10
- samba – 2:4.10.7+dfsg-0ubuntu2.5
- Ubuntu 18.04 LTS
- samba – 2:4.7.6+dfsg~ubuntu-0ubuntu2.16
- Ubuntu 16.04 LTS
- samba – 2:4.3.11+dfsg-0ubuntu0.16.04.26
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.