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Red Hat Enterprise Linux 6: RHSA-2018:1883-01 Low: Samba4 Security Fix

red hat
Calendar Grey June 19, 2018
Scroller Redhat
samba4 enhancement released for Red Hat Enterprise Linux 6. Addresses minor security vulnerability in print server functionalities.
An update for samba4 is now available for Red Hat Enterprise Linux 6

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.

Summary

Samba is an open-source implementation of the Server Message Block (SMB) or Common Internet File System (CIFS) protocol, which allows PC-compatible machines to share files, printers, and other information.
Security Fix(es):
* samba: Null pointer indirection in printer server process (CVE-2018-1050)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank the Samba project for reporting this issue.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.10 Release Notes and Red Hat Enterprise Linux 6.10 Technical Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory security update bug fix Red Hat Enterprise Linux low severity samba security printer server

References

https://access.redhat.com/security/cve/CVE-2018-1050 https://access.redhat.com/security/updates/classification#low https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.10_release_notes/index.html https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.10_technical_notes/index.html

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: samba4-4.2.10-15.el6.src.rpm
i386: samba4-4.2.10-15.el6.i686.rpm samba4-client-4.2.10-15.el6.i686.rpm samba4-common-4.2.10-15.el6.i686.rpm samba4-dc-4.2.10-15.el6.i686.rpm samba4-dc-libs-4.2.10-15.el6.i686.rpm samba4-debuginfo-4.2.10-15.el6.i686.rpm samba4-devel-4.2.10-15.el6.i686.rpm samba4-libs-4.2.10-15.el6.i686.rpm samba4-pidl-4.2.10-15.el6.i686.rpm samba4-python-4.2.10-15.el6.i686.rpm samba4-test-4.2.10-15.el6.i686.rpm samba4-winbind-4.2.10-15.el6.i686.rpm samba4-winbind-clients-4.2.10-15.el6.i686.rpm samba4-winbind-krb5-locator-4.2.10-15.el6.i686.rpm
x86_64: samba4-4.2.10-15.el6.x86_64.rpm samba4-client-4.2.10-15.el6.x86_64.rpm samba4-common-4.2.10-15.el6.x86_64.rpm samba4-dc-4.2.10-15.el6.x86_64.rpm samba4-dc-libs-4.2.10-15.el6.x86_64.rpm samba4-debuginfo-4.2.10-15.el6.x86_64.rpm samba4-devel-4.2.10-15.el6.x86_64.rpm samba4-libs-4.2.10-15.el6.x86_64.rpm samba4-pidl-4.2.10-15.el6.x86_64.rpm samba4-python-4.2.10-15.el6.x86_64.rpm samba4-test-4.2.10-15.el6.x86_64.rpm samba4-winbind-4.2.10-15.el6.x86_64.rpm samba4-winbind-clients-4.2.10-15.el6.x86_64.rpm samba4-winbind-krb5-locator-4.2.10-15.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: samba4-4.2.10-15.el6.src.rpm
x86_64:

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:1883-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1883
Issue date: 2018-06-19

Topic

An update for samba4 is now available for Red Hat Enterprise Linux 6.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update bug fix Red Hat Enterprise Linux low severity samba security printer server

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Bugs Fixed

1492780 - samba4: Recompile without BIND_NOW due to IFUNC relocation issue on ppc64

1538771 - CVE-2018-1050 samba: Null pointer indirection in printer server process

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