web commit by EthanGlasserCamp: This is what I wanted.

[ikiwiki.git] / doc / security.mdwn

diff --git a/doc/security.mdwn b/doc/security.mdwn
index 65ebfd7b2421a2e1477c5f542cd64acc9b667fe4..fea0eb727d655fe2c7452174b08e3d718e7aae40 100644 (file)
--- a/doc/security.mdwn
+++ b/doc/security.mdwn
@@ -6,6 +6,8 @@ security issues with this program than with cat(1). If, however, you let
 others edit pages in your wiki, then some possible security issues do need
 to be kept in mind.
 
 others edit pages in your wiki, then some possible security issues do need
 to be kept in mind.
 

+[[toc levels=2]]
+

 ----
 
 # Probable holes
 ----
 
 # Probable holes


@@ -134,7 +136,9 @@ file not be world readable.
 
 Login to the wiki involves sending a password in cleartext over the net.
 Cracking the password only allows editing the wiki as that user though.
 
 Login to the wiki involves sending a password in cleartext over the net.
 Cracking the password only allows editing the wiki as that user though.

-If you care, you can use https, I suppose.
+If you care, you can use https, I suppose. If you do use https either for
+all of the wiki, or just the cgi access, then consider using the sslcookie
+option.

 
 ## XSS holes in CGI output
 
 
 ## XSS holes in CGI output
 


@@ -145,6 +149,13 @@ with a username containing html code (anymore).
 It's difficult to know for sure if all such avenues have really been
 closed though.
 
 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
 ----
 
 # Fixed holes


@@ -242,8 +253,15 @@ 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. 
 ## XML::Parser
 
 XML::Parser is used by the aggregation plugin, and has some security holes. 

-#[378411](http://bugs.debian.org/378411) does not
+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.
 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.

+
+## include loops
+
+Various directives that cause one page to be included into another could
+be exploited to DOS the wiki, by causing a loop. Ikiwiki has always guarded
+against this one way or another; the current solution should detect all
+types of loops involving preprocessor directives.