Debian Security Advisory

DSA-4043-1 samba -- security update

Date Reported:
21 Nov 2017
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2017-14746, CVE-2017-15275.
More information:

Several vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix. The Common Vulnerabilities and Exposures project identifies the following issues:

  • CVE-2017-14746

    Yihan Lian and Zhibin Hu of Qihoo 360 GearTeam discovered a use-after-free vulnerability allowing a client to compromise a SMB server via malicious SMB1 requests.

  • CVE-2017-15275

    Volker Lendecke of SerNet and the Samba team discovered that Samba is prone to a heap memory information leak, where server allocated heap memory may be returned to the client without being cleared.

For the oldstable distribution (jessie), these problems have been fixed in version 2:4.2.14+dfsg-0+deb8u9.

For the stable distribution (stretch), these problems have been fixed in version 2:4.5.12+dfsg-2+deb9u1.

We recommend that you upgrade your samba packages.

For the detailed security status of samba please refer to its security tracker page at: