Zimbra Releases/8.7.11 Patch1

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Zimbra Collaboration 8.7.11 Patch 1 GA Release

Check out the "Fixed Issues" and "Security Fixes" for this version of Zimbra Collaboration below. As always, you’re encouraged to tell us what you think in the Forums, or file a bug in Bugzilla.


Fixed Issues (Bugzilla query)

107925 Persistent XSS - snippet [CWE-79]
108265 Persistent XSS - message view as text [CWE-79]
108786 Persistent XSS - content-location [CWE-79]


Security Fixes

Information about security fixes, security response policy and vulnerability rating classification are listed below. See the Zimbra Security Response Policy and the Zimbra Vulnerability Rating Classification information below for details.

Bug# Summary CVE-ID CVSS
Score
Zimbra
Rating
Fix Release or
Patch Version
107925 Persistent XSS CWE-79 CVE-2017-8802 3.5 Minor 8.6 P9, 8.7 P1, 8.8.3
108265 Persistent XSS CWE-79 CVE-2017-17703 3.5 Minor 8.6 P9, 8.7 P1, 8.8.3
108786 Persistent XSS CWE-79 CVE-2018-6882 4.3 Minor 8.7 P1

Before Installing the Patch

Before installing the patch, consider the following:

  • Zimbra Collaboration patches can be found at https://www.zimbra.com/downloads/zimbracollaboration
  • Patches are cumulative, and delivered as a TGZ file.
  • A full backup should be performed before any patch is applied. There is no automated roll-back.
  • Zimlet patches can include removing existing Zimlets and redeploying the patched Zimlet.
  • Only files or Zimlets associated with installed packages will be installed from the patch.
  • Switch to user zimbra before using ZCS CLI commands.
  • Important! You cannot revert to the previous ZCS release after you upgrade to the patch.

Install the Patch

Note: This patch should be installed on all nodes running in your environment.

1. Before you begin, confirm you have the following:

  • Zimbra Collaboration 8.7.11 GA installed
  • Zimbra Collaboration 8.7.11 Patch1 TGZ file

2. Copy the patch.tgz file(s) to your server.

3. Install Zimbra Collaboration 8.7.11 Patch1

  • a. Log in as root and cd to the directory where the tar file is saved. Type
tar xzf zcs-patch-8.7.11_GA_XXX.tgz
cd zcs-patch-8.7.11_GA_XX
  • b. As root, install the patch. Type
./installPatch.sh
  • c. Switch to user zimbra
su – zimbra
  • d. ZCS must be restarted to changes to take effect. Type
zmcontrol restart

Note: For users who have the web-client open and are running the FOSS edition, the refresh notice mightstate that you have changed to the NETWORK Edition; however, your feature set will remain FOSS only.



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