Re: libxml2 issue: out-of-bounds memory access when parsing an unclosed HTML comment

[Salvatore Bonaccorso <carnil () debian org>]

Hi MITRE CVE assignment team,

On Sun, Apr 19, 2015 at 10:11:58AM -0700, Reed Loden wrote:
> (saw this randomly today on Twitter, so figured I'd send it on to make sure
> it gets a CVE and actually gets fixed)
>
> https://hackerone.com/reports/57125#activity-384861
>
> """
> This is an out-of-bounds memory access in libxml2. By entering a unclosed
> html comment such as <!-- the libxml2 parser didn't stop parsing at the end
> of the buffer, causing random memory to be included in the parsed comment
> that was returned to ruby. In Shopify, this caused ruby objects from
> previous http requests to be disclosed in the rendered page.
>
> Link to the issue in libxml2's bugtracker:
> https://bugzilla.gnome.org/show_bug.cgi?id=746048
>
> A patched version of nokogiri (which uses a embedded libxml2) is available
> here:
> https://github.com/Shopify/nokogiri/compare/1b1fcad8bd64ab70256666c38d2c998e86ade8c0...master
>
> This bug is still not patched upstream, but both libxml2 and nokogiri
> developers are aware of the issue.
> """

TTBOMK, this and as well
http://www.openwall.com/lists/oss-security/2015/04/19/5 has a pending
CVE assignment request.

Can you assign CVEs for it, or does both actually do not warrant a CVE
id assignment?

Regards and thanks for all your work,
Salvatore