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AUSCERT External Security Bulletin Redistribution
Moderate: rsync security update
29 March 2011
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 6
Red Hat Enterprise Linux WS/Desktop 6
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
CVE Names: CVE-2011-1097
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running rsync check for an updated version of the software for their
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Red Hat Security Advisory
Synopsis: Moderate: rsync security update
Advisory ID: RHSA-2011:0390-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-0390.html
Issue date: 2011-03-28
CVE Names: CVE-2011-1097
An updated rsync package that fixes one security issue is now available for
Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.
2. 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
rsync is a program for synchronizing files over a network.
A memory corruption flaw was found in the way the rsync client processed
malformed file list data. If an rsync client used the "--recursive" and
"--delete" options without the "--owner" option when connecting to a
malicious rsync server, the malicious server could cause rsync on the
client system to crash or, possibly, execute arbitrary code with the
privileges of the user running rsync. (CVE-2011-1097)
Red Hat would like to thank Wayne Davison and Matt McCutchen for reporting
Users of rsync should upgrade to this updated package, which contains a
backported patch to resolve this issue.
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
5. Bugs fixed (http://bugzilla.redhat.com/):
675036 - CVE-2011-1097 rsync: Incremental file-list corruption due to temporary file_extra_cnt increments
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Red Hat Enterprise Linux HPC Node (v. 6):
Red Hat Enterprise Linux Server (v. 6):
Red Hat Enterprise Linux Workstation (v. 6):
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2011 Red Hat, Inc.
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