Ubuntu alert USN-4454-1 (samba)
| From: | Marc Deslauriers <marc.deslauriers@canonical.com> | |
| To: | "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> | |
| Subject: | [USN-4454-1] Samba vulnerability | |
| Date: | Mon, 10 Aug 2020 10:56:23 -0400 | |
| Message-ID: | <dc5e6f20-8d36-8aa0-50c7-bf5760077d4c@canonical.com> |
========================================================================== Ubuntu Security Notice USN-4454-1 August 10, 2020 samba vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Samba could be made to crash if it received specially crafted network traffic. Software Description: - samba: SMB/CIFS file, print, and login server for Unix Details: Martin von Wittich and Wilko Meyer discovered that Samba incorrectly handled certain empty UDP packets when being used as a AD DC NBT server. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. 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-0ubuntu1.4 Ubuntu 18.04 LTS: samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 Ubuntu 16.04 LTS: samba 2:4.3.11+dfsg-0ubuntu0.16.04.29 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4454-1 CVE-2020-14303 Package Information: https://launchpad.net/ubuntu/+source/samba/2:4.11.6+dfsg-... https://launchpad.net/ubuntu/+source/samba/2:4.7.6+dfsg~u... https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...