Moderate: samba security, bug fix, and enhancement update

Related Vulnerabilities: CVE-2019-3880   CVE-2019-3880   CVE-2019-3880  

Synopsis

Moderate: samba security, bug fix, and enhancement update

Type/Severity

Security Advisory: Moderate

Topic

An update for samba is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.

The following packages have been upgraded to a later upstream version: samba (4.10.4). (BZ#1638001)

Security Fix(es):

  • samba: save registry file outside share as unprivileged user (CVE-2019-3880)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing this update, the smb service will be restarted automatically.

Affected Products

  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 8 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
  • Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Fixes

  • BZ - 1669004 - No need of 'STATUS=' in debug messages
  • BZ - 1672167 - Negative timeout printed while setting an entry in the cache file
  • BZ - 1691518 - CVE-2019-3880 samba: save registry file outside share as unprivileged user

CVEs

References