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Test ID:1.3.6.1.4.1.25623.1.0.69814
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2011:0999
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2011:0999.

rsync is a program for synchronizing files over a network.

A flaw was found in the way the rsync daemon handled the filter,
exclude, and exclude from options, used for hiding files and preventing
access to them from rsync clients. A remote attacker could use this flaw to
bypass those restrictions by using certain command line options and
symbolic links, allowing the attacker to overwrite those files if they knew
their file names and had write access to them. (CVE-2007-6200)

Note: This issue only affected users running rsync as a writable daemon:
read only set to false in the rsync configuration file (for example,
/etc/rsyncd.conf). By default, this option is set to true.

This update also fixes the following bugs:

* The rsync package has been upgraded to upstream version 3.0.6, which
provides a number of bug fixes and enhancements over the previous version.
(BZ#339971)

* When running an rsync daemon that was receiving files, a deferred info,
error or log message could have been sent directly to the sender instead of
being handled by the rwrite() function in the generator. Also, under
certain circumstances, a deferred info or error message from the receiver
could have bypassed the log file and could have been sent only to the
client process. As a result, an unexpected tag 3 fatal error could have
been displayed. These problems have been fixed in this update so that an
rsync daemon receiving files now works as expected. (BZ#471182)

* Prior to this update, the rsync daemon called a number of timezone-using
functions after doing a chroot. As a result, certain C libraries were
unable to generate proper timestamps from inside a chrooted daemon. This
bug has been fixed in this update so that the rsync daemon now calls the
respective timezone-using functions prior to doing a chroot, and proper
timestamps are now generated as expected. (BZ#575022)

* When running rsync under a non-root user with the -A (--acls) option
and without using the --numeric-ids option, if there was an Access
Control List (ACL) that included a group entry for a group that the
respective user was not a member of on the receiving side, the
acl_set_file() function returned an invalid argument value (EINVAL).
This was caused by rsync mistakenly mapping the group name to the Group ID
GID_NONE (-1), which failed. The bug has been fixed in this update so
that no invalid argument is returned and rsync works as expected.
(BZ#616093)

* When creating a sparse file that was zero blocks long, the rsync
- --sparse command did not properly truncate the sparse file at the end of
the copy transaction. As a result, the file size was bigger than expected.
This bug has been fixed in this update by properly truncating the file so
that rsync now copies such files as expected. (BZ#530866)

* Under certain circumstances, when using rsync in daemon mode, rsync
generator instances could have entered an infinitive loop, trying to write
an error message for the receiver to an invalid socket. This problem has
been fixed in this update by adding a new sibling message: when the
receiver is reporting a socket-read error, the generator will notice this
fact and avoid writing an error message down the socket, allowing it to
close down gracefully when the pipe from the receiver closes. (BZ#690148)

* Prior to this update, there were missing deallocations found in the
start_client() function. This bug has been fixed in this update and no
longer occurs. (BZ#700450)

All users of rsync are advised to upgrade to this updated package, which
resolves these issues and adds enhancements.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2011-0999.html
http://rsync.samba.org/security.html#s3_0_0

Risk factor : Critical

CVSS Score:
10.0

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2007-6200
http://lists.apple.com/archives/security-announce//2008/Jul/msg00003.html
BugTraq ID: 26639
http://www.securityfocus.com/bid/26639
Bugtraq: 20080212 FLEA-2008-0004-1 rsync (Google Search)
http://www.securityfocus.com/archive/1/487991/100/0/threaded
http://www.mandriva.com/en/security/advisories?name=MDVSA-2008:011
http://www.redhat.com/support/errata/RHSA-2011-0999.html
http://securitytracker.com/id?1019012
http://secunia.com/advisories/27853
http://secunia.com/advisories/27863
http://secunia.com/advisories/28412
http://secunia.com/advisories/28457
http://secunia.com/advisories/31326
SuSE Security Announcement: SUSE-SR:2008:001 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00002.html
http://www.vupen.com/english/advisories/2007/4057
http://www.vupen.com/english/advisories/2008/2268
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