Ubuntu alert USN-3426-1 (samba)
| From: | Marc Deslauriers <marc.deslauriers@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-3426-1] Samba vulnerabilities | |
| Date: | Thu, 21 Sep 2017 13:42:11 -0400 | |
| Message-ID: | <d636a327-ba3a-e2ed-9101-d13fb0cbf23c@canonical.com> |
========================================================================== Ubuntu Security Notice USN-3426-1 September 21, 2017 samba vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 17.04 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Samba could be made to expose sensitive information over the network. Software Description: - samba: SMB/CIFS file, print, and login server for Unix Details: Stefan Metzmacher discovered that Samba incorrectly enforced SMB signing in certain situations. A remote attacker could use this issue to perform a man in the middle attack. (CVE-2017-12150) Stefan Metzmacher discovered that Samba incorrectly handled encryption across DFS redirects. A remote attacker could use this issue to perform a man in the middle attack. (CVE-2017-12151) Yihan Lian and Zhibin Hu discovered that Samba incorrectly handled memory when SMB1 is being used. A remote attacker could possibly use this issue to obtain server memory contents. (CVE-2017-12163) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.04: samba 2:4.5.8+dfsg-0ubuntu0.17.04.7 Ubuntu 16.04 LTS: samba 2:4.3.11+dfsg-0ubuntu0.16.04.11 Ubuntu 14.04 LTS: samba 2:4.3.11+dfsg-0ubuntu0.14.04.12 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3426-1 CVE-2017-12150, CVE-2017-12151, CVE-2017-12163 Package Information: https://launchpad.net/ubuntu/+source/samba/2:4.5.8+dfsg-0... https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-... 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...