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Ubuntu Update for samba USN-4167-1

Information

Severity

Severity

Medium

Family

Family

Ubuntu Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

4 years ago

Modified

Modified

4 years ago

Summary

The remote host is missing an update for the 'samba' package(s) announced via the USN-4167-1 advisory.

Insight

Insight

Michael Hanselmann discovered that the Samba client code incorrectly handled path separators. If a user were tricked into connecting to a malicious server, a remote attacker could use this issue to cause the client to access local pathnames instead of network pathnames. (CVE-2019-10218) Simon Fonteneau and Björn Baumbach discovered that Samba incorrectly handled the check password script. This issue could possibly bypass custom password complexity checks, contrary to expectations. This issue only affected Ubuntu 18.04 LTS, Ubuntu 19.04, and Ubuntu 19.10. (CVE-2019-14833) Adam Xu discovered that Samba incorrectly handled the dirsync LDAP control. A remote attacker with 'get changes' permissions could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2019-14847)

Affected Software

Affected Software

'samba' package(s) on Ubuntu 19.04, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

Please install the updated package(s).

Common Vulnerabilities and Exposures (CVE)