Re: [PATCH] gitweb: escape link body in format_ref_marker

[Andreas Brauchli]

On Mon, Aug 1, 2016 at 9:54 PM, Junio C Hamano  wrote:
> Jakub Narębski  writes:
>
>> Good catch!
>>
>> Acked-by: Jakub Narębski 
>
> Sigh; the contents may be good but the patch is unusable as-is
> because of heavy whitespace damage.
>
> I'll fix it up.  Thanks, both.
My apologies for that, it seems that gmail doesn't do tabs.
I resubmitted the PR as #283 on GitHub along with Jakub's Ack and
fixed the typo he pointed out in the commit message

https://github.com/git/git/pull/283

Kind regards
andreas

>
>>> ---
>>>  gitweb/gitweb.perl | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
>>> index 2fddf75..33d701d 100755
>>> --- a/gitweb/gitweb.perl
>>> +++ b/gitweb/gitweb.perl
>>> @@ -2090,7 +2090,7 @@ sub format_ref_marker {
>>> -href => href(
>>> action=>$dest_action,
>>> hash=>$dest
>>> -   )}, $name);
>>> +   )}, esc_html($name));
>>>
>>> $markers .= " >> class=\"".esc_attr($class)."\" title=\"".esc_attr($ref)."\">" .
>>> $link . "";
>>>
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[PATCH] gitweb: escape link body in format_ref_marker

[Andreas Brauchli]

Fix a case where an html link can be generated from unescaped input
resulting in invalid strict xhtml or potentially injected code.

An overview of a repo with a tag "1.0.0&0.0.1" would previously result
in an unescaped amperstand in the link body.

Signed-off-by: Andreas Brauchli <a.brauc...@elementarea.net>
---
 gitweb/gitweb.perl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 2fddf75..33d701d 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -2090,7 +2090,7 @@ sub format_ref_marker {
-href => href(
action=>$dest_action,
hash=>$dest
-   )}, $name);
+   )}, esc_html($name));

$markers .= " " .
$link . "";
-- 
2.7.4
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