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openSUSE-SU-2018:0101-1: moderate: Security update for rsync
openSUSE Security Update: Security update for rsync
______________________________________________________________________________

Announcement ID: openSUSE-SU-2018:0101-1
Rating: moderate
References: #1028842 #1062063 #1066644 #1071459 #1071460
#915410 #999847
Cross-References: CVE-2014-9512 CVE-2017-16548 CVE-2017-17433
CVE-2017-17434
Affected Products:
openSUSE Leap 42.3
openSUSE Leap 42.2
______________________________________________________________________________

An update that solves four vulnerabilities and has three
fixes is now available.

Description:

This update for rsync fixes the several issues.

These security issues were fixed:

- CVE-2017-17434: The daemon in rsync did not check for fnamecmp filenames
in the daemon_filter_list data structure (in the recv_files function in
receiver.c) and also did not apply the sanitize_paths protection
mechanism to pathnames found in "xname follows" strings (in the
read_ndx_and_attrs function in rsync.c), which allowed remote attackers
to bypass intended access restrictions" (bsc#1071460).
- CVE-2017-17433: The recv_files function in receiver.c in the daemon in
rsync, proceeded with certain file metadata updates before checking for
a filename in the daemon_filter_list data structure, which allowed
remote attackers to bypass intended access restrictions (bsc#1071459).
- CVE-2017-16548: The receive_xattr function in xattrs.c in rsync did not
check for a trailing '\\0' character in an xattr name, which allowed
remote attackers to cause a denial of service (heap-based buffer
over-read and application crash) or possibly have unspecified other
impact by sending crafted data to the daemon (bsc#1066644).
- CVE-2014-9512: Prevent attackers to write to arbitrary files via a
symlink attack on a file in the synchronization path (bsc#915410).

These non-security issues were fixed:

- Stop file upload after errors like a full disk (boo#1062063)
- Ensure -X flag works even when setting owner/group (boo#1028842)


Patch Instructions:

To install this openSUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- openSUSE Leap 42.3:

zypper in -t patch openSUSE-2018-34=1

- openSUSE Leap 42.2:

zypper in -t patch openSUSE-2018-34=1

To bring your system up-to-date, use "zypper patch".


Package List:

- openSUSE Leap 42.3 (i586 x86_64):

rsync-3.1.0-10.1
rsync-debuginfo-3.1.0-10.1
rsync-debugsource-3.1.0-10.1

- openSUSE Leap 42.2 (i586 x86_64):

rsync-3.1.0-7.3.1
rsync-debuginfo-3.1.0-7.3.1
rsync-debugsource-3.1.0-7.3.1


References:

https://www.suse.com/security/cve/CVE-2014-9512.html
https://www.suse.com/security/cve/CVE-2017-16548.html
https://www.suse.com/security/cve/CVE-2017-17433.html
https://www.suse.com/security/cve/CVE-2017-17434.html
https://bugzilla.suse.com/1028842
https://bugzilla.suse.com/1062063
https://bugzilla.suse.com/1066644
https://bugzilla.suse.com/1071459
https://bugzilla.suse.com/1071460
https://bugzilla.suse.com/915410
https://bugzilla.suse.com/999847


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