Date: Sat, 11 Jan 2014 16:07:23 -0700 From: "Vincent Danen" <vdanen@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: CVE assignment for jinja2 On 01/11/2014, at 13:58 PM, Salvatore Bonaccorso wrote: > Hi Vicnent, > > Disclaimer: to be taken with some caution. > > On Sat, Jan 11, 2014 at 01:37:51PM -0700, Vincent Danen wrote: >> On 01/10/2014, at 22:34 PM, Kurt Seifried wrote: >> >>> https://github.com/mitsuhiko/jinja2/commit/acb672b6a179567632e032f547582f30fa2f4aa7 >>> >>> dirname = '_jinja2-cache-%d' % os.getuid() >>> >>> Arun Babu Neelicattu of Red Hat spotted this commit which introduces a >>> temporary file creation vulnerability. This issue has been assigned >>> CVE-2014-0012. For information on how to safely create temporary files >>> please see >>> http://kurt.seifried.org/2012/03/14/creating-temporary-files-securely/ >>> >>> For Python simply use ?mkstemp? for files and ?mkdtemp? for >>> directories from the ?tempfile? module. >> >> MITRE assigned CVE-2014-1402 to this yesterday: >> >> http://seclists.org/oss-sec/2014/q1/71 (the report, the followup has the CVE assignment). >> >> That means you'll need to reject this assignment; the commit that Arun spotted was due to the Debian bug report (which the git commit notes, and Ratul linked to in his initial CVE request to the list). > > Aren't the two CVE assignments correct this way as the second > temporary file creation vulnerability was introduced by the mentioned > commit? > > Initially there was assigned CVE-2014-1402 for: > > http://seclists.org/oss-sec/2014/q1/71 > > wich is also http://bugs.debian.org/734747 and was attempted to be > fixed with commit > https://github.com/mitsuhiko/jinja2/commit/acb672b6a179567632e032f547582f30fa2f4aa7 > > But the above commit introduces a new temporary file creation > vulnerability, which then got CVE-2014-0012 assigned by Kurt. Yes, all correct. Which is why I apologized in a subsequent email about the confusion. =) -- Vincent Danen / Red Hat Security Response Team Download attachment "signature.asc" of type "application/pgp-signature" (711 bytes)
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