remove stealthy spam

[ikiwiki.git] / doc / security.mdwn

diff --git a/doc/security.mdwn b/doc/security.mdwn
index e636a0e4564c26ce011ef6e49563b87b82f1f160..b573b5f2348a3bea028706f1af7d5433b3b0f9a7 100644 (file)
--- a/doc/security.mdwn
+++ b/doc/security.mdwn
@@ -22,8 +22,8 @@ this would be to limit web commits to those done by a certain user.
 
 ## other stuff to look at
 
-I need to audit the git backend a bit, and have been meaning to
-see if any CRLF injection type things can be done in the CGI code.
+I have been meaning to see if any CRLF injection type things can be
+done in the CGI code.
 
 ----
 
@@ -441,7 +441,7 @@ 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
+## javascript insertion 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
@@ -454,11 +454,37 @@ 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]])
 
-## javascript insertation via insufficient checking in comments
+## javascript insertion via insufficient checking in comments
 
 Dave B noticed that attempting to comment on an illegal page name could be
 used for an XSS attack.
 
 This hole was discovered on 22 Jan 2011 and fixed the same day with
-the release of ikiwiki 3.20110122. An upgrade is recommended for sites
-with the comments plugin enabled.
+the release of ikiwiki 3.20110122. A fix was backported to Debian squeeze,
+as version 3.20100815.5. An upgrade is recommended for sites
+with the comments plugin enabled. ([[!cve CVE-2011-0428]])
+
+## possible javascript insertion via insufficient htmlscrubbing of alternate stylesheets
+
+Giuseppe Bilotta noticed that 'meta stylesheet` directives allowed anyone
+who could upload a malicious stylesheet to a site to add it to a
+page as an alternate stylesheet, or replacing the default stylesheet.
+
+This hole was discovered on 28 Mar 2011 and fixed the same hour with
+the release of ikiwiki 3.20110328. A fix was backported to Debian squeeze,
+as version 3.20100815.6. An upgrade is recommended for sites that have
+untrusted committers, or have the attachments plugin enabled.
+([[!cve CVE-2011-1401]])
+
+## tty hijacking via ikiwiki-mass-rebuild
+
+Ludwig Nussel discovered a way for users to hijack root's tty when
+ikiwiki-mass-rebuild was run. Additionally, there was some potential
+for information disclosure via symlinks. ([[!cve CVE-2011-1408]])
+
+This hole was disconvered on 8 June 2011 and fixed the same day with
+the release of ikiwiki 3.20110608. Note that the fix is dependant on
+a version of su that has a similar hole fixed; [[!debbug 628843]]
+tracks fixing the hole in Debian's su. An upgrade is a must for any
+sites that have `ikiwiki-update-wikilist` installed suid (not the default),
+and whose admins run `ikiwiki-mass-rebuild`.