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Author: Steve Beattie <steve.beattie@canonical.com>
Subject: disable ghostscript handled formats based on -SAFER insecurity
Based on Tavis Ormandy's Recommendations
updated: 2019-11-11
---
config/policy.xml | 5 +++++
1 file changed, 5 insertions(+)
--- a/config/policy.xml
+++ b/config/policy.xml
@@ -86,4 +86,11 @@
<policy domain="delegate" rights="none" pattern="HTTP" />
<!-- in order to avoid to get image with password text -->
<policy domain="path" rights="none" pattern="@*"/>
+ <!-- disable ghostscript format types -->
+ <policy domain="coder" rights="none" pattern="PS" />
+ <policy domain="coder" rights="none" pattern="PS2" />
+ <policy domain="coder" rights="none" pattern="PS3" />
+ <policy domain="coder" rights="none" pattern="EPS" />
+ <policy domain="coder" rights="none" pattern="PDF" />
+ <policy domain="coder" rights="none" pattern="XPS" />
</policymap>
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