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[ikiwiki.git] / doc / security.mdwn

diff --git a/doc/security.mdwn b/doc/security.mdwn
index 200ae29e22831abecec7dfbc2da9c1b07ab07bbf..4fa531eb14a4c842f401fee72d845c19e481c1da 100644 (file)
--- a/doc/security.mdwn
+++ b/doc/security.mdwn
@@ -162,10 +162,11 @@ closed though.
 
 ## HTML::Template security
 
-If the [[plugins/template]] plugin is enabled, users can modify templates
-like any other part of the wiki. This assumes that HTML::Template is secure
+If the [[plugins/template]] plugin is enabled, all users can modify templates
+like any other part of the wiki. Some trusted users can modify templates
+without it too. This assumes that HTML::Template is secure
 when used with untrusted/malicious templates. (Note that includes are not
-allowed, so that's not a problem.)
+allowed.)
 
 ----
 
@@ -426,4 +427,29 @@ bypassed and used to read arbitrary files. This was fixed by
 enabling TeX configuration options that disallow unsafe TeX commands.
 The fix was released on 30 Aug 2009 in version 3.1415926, and was
 backported to stable in version 2.53.4. If you use the teximg plugin,
-I recommend upgrading.
+I recommend upgrading. ([[!cve CVE-2009-2944]])
+
+## javascript insertion via svg uris
+
+Ivan Shmakov pointed out that the htmlscrubber allowed `data:image/*` urls,
+including `data:image/svg+xml`. But svg can contain javascript, so that is
+unsafe.
+
+This hole was discovered on 12 March 2010 and fixed the same day
+with the release of ikiwiki 3.20100312.
+A fix was also backported to Debian etch, as version 2.53.5. I recommend
+upgrading to one of these versions if your wiki can be edited by third
+parties.
+
+## javascript insertation via insufficient htmlscrubbing of comments
+
+Kevin Riggle noticed that it was not possible to configure
+`htmlscrubber_skip` to scrub comments while leaving unscubbed the text
+of eg, blog posts. Confusingly, setting it to "* and !comment(*)" did not
+scrub comments.
+
+Additionally, it was discovered that comments' html was never scrubbed during
+preview or moderation of comments with such a configuration.
+
+These problems were discovered on 12 November 2010 and fixed the same
+hour with the release of ikiwiki 3.20101112. ([[!cve CVE-2010-1673]])