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:
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.
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: https://security-tracker.debian.org/tracker/samba