Advisories ยป MGASA-2018-0023

Updated samba packages fix security vulnerabilities

Publication date: 02 Jan 2018
Modification date: 02 Jan 2018
Type: security
Affected Mageia releases : 6
CVE: CVE-2017-12150 , CVE-2017-12151 , CVE-2017-12163 , CVE-2017-14746 , CVE-2017-15275

Description

Updated samba packages fix security vulnerabilities:

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)

Yihan Lian and Zhibin Hu discovered that Samba incorrectly handled memory
when processing certain SMB1 requests. A remote attacker could possibly use
this issue to execute arbitrary code. (CVE-2017-14746)

Volker Lendecke discovered that Samba incorrectly cleared memory when
returning data to a client. A remote attacker could possibly use this issue
to obtain sensitive information. (CVE-2017-15275)

The samba package has been updated to version 4.6.12 to fix these issues and
other bugs.

Also, the talloc package has been updated to 2.1.10 and the tevent package
has been updated to 0.9.34, as they were needed by the updated samba.

References

SRPMS

6/core