fix a bug that doubled the search box

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

diff --git a/doc/security.mdwn b/doc/security.mdwn
index 3c85f57de39d8a8aadf5bf7d3823556506c5737b..77552b1b2e2d2c3abe04d273200b23412b7f9219 100644 (file)
--- a/doc/security.mdwn
+++ b/doc/security.mdwn
@@ -6,22 +6,11 @@ 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.
 

-# Probable holes
-
-## XSS holes in CGI output
-
-ikiwiki has not yet been audited to ensure that all cgi script input/output is
-sanitised to prevent XSS attacks.
-
-## image file etc attacks
+----

 
 

-If it enounters a file type it does not understand, ikiwiki just copies it
-into place. So if you let users add any kind of file they like, they can
-upload images, movies, windows executables, css files, etc (though not html
-files). If these files exploit security holes in the browser of someone
-who's viewing the wiki, that can be a security problem.
+# Probable holes

 
 

-Of course nobody else seems to worry about this in other wikis, so should we?
+_(The list of things to fix.)_

 
 ## svn commit logs
 
 
 ## svn commit logs
 


@@ -39,7 +28,23 @@ ikiwiki escapes any html in svn commit logs to prevent other mischief.
 
 # Potential gotchas
 
 
 # Potential gotchas
 

-Things not to do.
+_(Things not to do.)_
+
+## image file etc attacks
+
+If it enounters a file type it does not understand, ikiwiki just copies it
+into place. So if you let users add any kind of file they like, they can
+upload images, movies, windows executables, css files, etc (though not html
+files). If these files exploit security holes in the browser of someone
+who's viewing the wiki, that can be a security problem.
+
+Of course nobody else seems to worry about this in other wikis, so should we?
+
+Currently only people with direct svn commit access can upload such files
+(and if you wanted to you could block that with a svn pre-commit hook).
+Wsers with only web commit access are limited to editing pages as ikiwiki
+doesn't support file uploads from browsers (yet), so they can't exploit
+this.

 
 ## multiple accessors of wiki directory
 
 
 ## multiple accessors of wiki directory
 


@@ -57,7 +62,7 @@ this wiki, BTW.
 
 ## page locking can be bypassed via direct svn commits
 
 
 ## page locking can be bypassed via direct svn commits
 

-A [[lock]]ed page can only be edited on the web by an admin, but
+A locked page can only be edited on the web by an admin, but

 anyone who is allowed to commit direct to svn can bypass this. This is by
 design, although a subversion pre-commit hook could be used to prevent
 editing of locked pages when using subversion, if you really need to.
 anyone who is allowed to commit direct to svn can bypass this. This is by
 design, although a subversion pre-commit hook could be used to prevent
 editing of locked pages when using subversion, if you really need to.


@@ -72,7 +77,7 @@ they can try to use this to exploit your web server.
 
 # Hopefully non-holes
 
 
 # Hopefully non-holes
 

-(AKA, the assumptions that will be the root of most security holes...)
+_(AKA, the assumptions that will be the root of most security holes...)_

 
 ## exploting ikiwiki with bad content
 
 
 ## exploting ikiwiki with bad content
 


@@ -128,6 +133,17 @@ 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.
 
 Cracking the password only allows editing the wiki as that user though.
 If you care, you can use https, I suppose.
 

+## XSS holes in CGI output
+
+ikiwiki has not yet been audited to ensure that all cgi script input/output
+is sanitised to prevent XSS attacks. For example, a user can't register
+with a username containing html code (anymore).
+
+It's difficult to know for sure if all such avenues have really been
+closed though.
+
+----
+

 # Fixed holes
 
 _(Unless otherwise noted, these were discovered and immediatey fixed by the
 # Fixed holes
 
 _(Unless otherwise noted, these were discovered and immediatey fixed by the


@@ -199,4 +215,4 @@ pages from source with some other extension.
 
 ## XSS attacks in page content
 
 
 ## XSS attacks in page content
 

-ikiwiki supports [[HtmlSanitistion]], though it can be turned off.
+ikiwiki supports [[HtmlSanitization]], though it can be turned off.