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Red Hat 6 RHSA-2011:0390-01 Moderate: Rsync Memory Corruption

red hat
Calendar Grey March 28, 2011
Dist Redhat Esm H88
The latest Rsync release for Ubuntu includes a fix addressing a significant memory leak vulnerability, improving both protection and operation stability.
An updated rsync package that fixes one security issue is 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 https://access.redhat.com/kb/docs/DOC-11259

Summary

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 this issue.
Users of rsync should upgrade to this updated package, which contains a backported patch to resolve this issue.

Topics%20covered

Topics Covered

security advisory moderate Red Hat update memory flaw rsync synchronization

References

https://access.redhat.com/security/cve/CVE-2011-1097 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source:
i386: rsync-3.0.6-5.el6_0.1.i686.rpm rsync-debuginfo-3.0.6-5.el6_0.1.i686.rpm
x86_64: rsync-3.0.6-5.el6_0.1.x86_64.rpm rsync-debuginfo-3.0.6-5.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
x86_64: rsync-3.0.6-5.el6_0.1.x86_64.rpm rsync-debuginfo-3.0.6-5.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
i386: rsync-3.0.6-5.el6_0.1.i686.rpm rsync-debuginfo-3.0.6-5.el6_0.1.i686.rpm
ppc64: rsync-3.0.6-5.el6_0.1.ppc64.rpm rsync-debuginfo-3.0.6-5.el6_0.1.ppc64.rpm
s390x: rsync-3.0.6-5.el6_0.1.s390x.rpm rsync-debuginfo-3.0.6-5.el6_0.1.s390x.rpm
x86_64: rsync-3.0.6-5.el6_0.1.x86_64.rpm rsync-debuginfo-3.0.6-5.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
i386: rsync-3.0.6-5.el6_0.1.i686.rpm rsync-debuginfo-3.0.6-5.el6_0.1.i686.rpm
x86_64: rsync-3.0.6-5.el6_0.1.x86_64.rpm rsync-debuginfo-3.0.6-5.el6_0.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key#package


Advisory ID: RHSA-2011:0390-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2011:0390.html
Issue date: 2011-03-28

Topic

An updated rsync package that fixes one security issue is now available forRed Hat Enterprise Linux 6.The Red Hat Security Response Team has rated this update as having moderatesecurity 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 moderate Red Hat update memory flaw rsync synchronization

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

675036 - CVE-2011-1097 rsync: Incremental file-list corruption due to temporary file_extra_cnt increments

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