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Red Hat Enterprise Linux 6 RHSA-2010:0860-02 Critical: Samba Code Execution

red hat
Calendar Grey November 10, 2010
Dist Redhat Esm H88
A critical Samba vulnerability in Red Hat Enterprise Linux 6 poses a risk of unauthorized data access. Users must act swiftly to mitigate this threat
Updated samba packages that fix one security issue are now available for Red Hat Enterprise Linux 6

Solution

Before applying this update, make sure all previously-released errata relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at

Summary

Samba is a suite of programs used by machines to share files, printers, and other information.
A missing array boundary checking flaw was found in the way Samba parsed the binary representation of Windows security identifiers (SIDs). A malicious client could send a specially-crafted SMB request to the Samba server, resulting in arbitrary code execution with the privileges of the Samba server (smbd). (CVE-2010-3069)
Users of Samba are advised to upgrade to these updated packages, which correct this issue. After installing this update, the smb service will be restarted automatically.

Topics%20covered

Topics Covered

security advisory security update buffer overflow critical code execution samba Red Hat Enterprise Linux

References

https://access.redhat.com/security/cve/CVE-2010-3069 https://access.redhat.com/security/updates/classification#critical

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source:
i386: libsmbclient-3.5.4-68.el6_0.1.i686.rpm samba-client-3.5.4-68.el6_0.1.i686.rpm samba-common-3.5.4-68.el6_0.1.i686.rpm samba-debuginfo-3.5.4-68.el6_0.1.i686.rpm samba-winbind-3.5.4-68.el6_0.1.i686.rpm samba-winbind-clients-3.5.4-68.el6_0.1.i686.rpm
x86_64: libsmbclient-3.5.4-68.el6_0.1.i686.rpm libsmbclient-3.5.4-68.el6_0.1.x86_64.rpm samba-client-3.5.4-68.el6_0.1.x86_64.rpm samba-common-3.5.4-68.el6_0.1.i686.rpm samba-common-3.5.4-68.el6_0.1.x86_64.rpm samba-debuginfo-3.5.4-68.el6_0.1.i686.rpm samba-debuginfo-3.5.4-68.el6_0.1.x86_64.rpm samba-winbind-3.5.4-68.el6_0.1.x86_64.rpm samba-winbind-clients-3.5.4-68.el6_0.1.i686.rpm samba-winbind-clients-3.5.4-68.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source:
i386: libsmbclient-devel-3.5.4-68.el6_0.1.i686.rpm samba-3.5.4-68.el6_0.1.i686.rpm samba-debuginfo-3.5.4-68.el6_0.1.i686.rpm samba-doc-3.5.4-68.el6_0.1.i686.rpm samba-domainjoin-gui-3.5.4-68.el6_0.1.i686.rpm samba-swat-3.5.4-68.el6_0.1.i686.rpm samba-winbind-devel-3.5.4-68.el6_0.1.i686.rpm
x86_64: libsmbclient-devel-3.5.4-68.el6_0.1.i686.rpm libsmbclient-devel-3.5.4-68.el6_0.1.x86_64.rpm samba-3.5.4-68.el6_0.1.x86_64.rpm samba-debuginfo-3.5.4-68.el6_0.1.i686.rpm

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2010:0860-02
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2010:0860.html
Issue date: 2010-11-10

Topic

Updated samba packages that fix one security issue are now available forRed Hat Enterprise Linux 6.The Red Hat Security Response Team has rated this update as having criticalsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available from the CVE link inthe References section.

Topics%20covered

Topics Covered

security advisory security update buffer overflow critical code execution samba Red Hat Enterprise Linux

Relevant Releases Architectures

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

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

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

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

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

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

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

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

Bugs Fixed

630869 - CVE-2010-3069 Samba: Stack-based buffer overflow by processing specially-crafted SID records

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