web commit by EdAvis

[git.ikiwiki.info.git] / doc / security.mdwn

diff --git a/doc/security.mdwn b/doc/security.mdwn
index e72b3fe2bdf2af7de90ae2766c337f83ae933e43..dc763ef40a01bbae7d0f7ec09a3b8d08130dee89 100644 (file)
--- a/doc/security.mdwn
+++ b/doc/security.mdwn
@@ -83,6 +83,10 @@ _(AKA, the assumptions that will be the root of most security holes...)_
 Someone could add bad content to the wiki and hope to exploit ikiwiki.
 Note that ikiwiki runs with perl taint checks on, so this is unlikely.
 
+One fun thing in ikiwiki is its handling of a PageSpec, which involves
+translating it into perl and running the perl. Of course, this is done
+*very* carefully to guard against injecting arbitrary perl code.
+
 ## publishing cgi scripts
 
 ikiwiki does not allow cgi scripts to be published as part of the wiki. Or
@@ -141,6 +145,13 @@ with a username containing html code (anymore).
 It's difficult to know for sure if all such avenues have really been
 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
+when used with untrusted/malicious templates. (Note that includes are not
+allowed, so that's not a problem.)
+
 ----
 
 # Fixed holes
@@ -234,3 +245,12 @@ have come just before yours, by forging svn log output. This was
 guarded against by using svn log --xml.
 
 ikiwiki escapes any html in svn commit logs to prevent other mischief.
+
+## XML::Parser
+
+XML::Parser is used by the aggregation plugin, and has some security holes. 
+Bug #[378411](http://bugs.debian.org/378411) does not
+seem to affect our use, since the data is not encoded as utf-8 at that
+point. #[378412](http://bugs.debian.org/378412) could affect us, although it
+doesn't seem very exploitable. It has a simple fix, and has been fixed in
+Debian unstable.