git: use parameters, not global state, to swap working directory

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

diff --git a/doc/security.mdwn b/doc/security.mdwn
index 317a534cad8aad4f13485bc59435eeabc7672b85..56b64812218c4e3f5e3626dc0deae1f128c66a7d 100644 (file)
--- a/doc/security.mdwn
+++ b/doc/security.mdwn
@@ -547,7 +547,7 @@ for sites where an untrusted user is able to attach files with arbitrary
 names and/or run a setuid ikiwiki wrapper with a working directory of
 their choice.
 
-## Editing restriction bypass for git revert
+## <span id="cve-2016-9645">Editing restriction bypass for git revert</span>
 
 intrigeri discovered that a web or git user could revert a change to a
 page they are not allowed to edit, if the change being reverted was made
@@ -564,12 +564,14 @@ which are both used in most ikiwiki installations.
 This bug was reported on 2016-12-17. A partially fixed version
 3.20161219 was released on 2016-12-19, but the solution used in that
 version was not effective with git versions older than 2.8.0.
+A more complete fix was released on 2016-12-29 in version 3.20161229.
+A backport to Debian 8 'jessie' is in progress.
 
 ([[!cve CVE-2016-10026]] represents the original vulnerability.
 [[!cve CVE-2016-9645]]/OVE-20161226-0002 represents the vulnerability
 in 3.20161219 caused by the incomplete fix.)
 
-## Commit metadata forgery via CGI::FormBuilder context-dependent APIs
+## <span id="cve-2016-9646">Commit metadata forgery via CGI::FormBuilder context-dependent APIs</span>
 
 When CGI::FormBuilder->field("foo") is called in list context (and
 in particular in the arguments to a subroutine that takes named
@@ -589,4 +591,7 @@ of them relatively minor:
   could potentially forge commit authorship (attribute their edit to
   someone else) by crafting multiple values for the rcsinfo field
 
+This was fixed in ikiwiki 3.20161229. A backport to Debian 8
+'jessie' is in progress.
+
 ([[!cve CVE-2016-9646]]/OVE-20161226-0001)