On Wed, 4 May 2016, Nux! wrote:
Direct links
https://www.imagemagick.org/discourse-server/viewtopic.php?f=4&t=29588#p132726
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-3714
Mitigation:
As a workaround the /etc/ImageMagick/policy.xml file can be edited to disable
processing of MVG, HTTPS, EPHEMERAL and MSL commands within image files, simply
add the following lines:
<policy domain="coder" rights="none" pattern="EPHEMERAL" />
<policy domain="coder" rights="none" pattern="HTTPS" />
<policy domain="coder" rights="none" pattern="MVG" />
<policy domain="coder" rights="none" pattern="MSL" />
within the policy map stanza:
<policymap>
...
</policymap>
This has been extended to:
<policy domain="coder" rights="none" pattern="EPHEMERAL" />
<policy domain="coder" rights="none" pattern="HTTPS" />
<policy domain="coder" rights="none" pattern="HTTP" />
<policy domain="coder" rights="none" pattern="URL" />
<policy domain="coder" rights="none" pattern="FTP" />
<policy domain="coder" rights="none" pattern="MVG" />
<policy domain="coder" rights="none" pattern="MSL" />
Policy support not in EL5 AFAIK.
jh
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