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Date: Sat, 3 Jan 2015 17:19:16 -0500 (EST)
From: cve-assign@...re.org
To: Moritz Mühlenhoff <jmm@...til.org>
cc: oss-security@...ts.openwall.com, cve-assign@...re.org,
        Fiedler Roman <Roman.Fiedler@....ac.at>, security@...ntu.com
Subject: Re: parse_datetime() bug in coreutils


On Mon, 29 Dec 2014, Moritz Mühlenhoff wrote:

> On Mon, Nov 24, 2014 at 06:47:24PM -0800, Seth Arnold wrote:
>> Hello,
>>
>> Fiedler Roman discovered that coreutils' parse_datetime() function
>> has some flaws that may be exploitable if the date(1), touch(1),
>> or potentially other programs, accept untrusted input for certain
>> parameters. While researching this issue, he discovered that it
>> was independantly discovered by Bertrand Jacquin and reported at
>> http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16872
>>
>> $ touch '--date=TZ="123"345" @1'
>> Segmentation fault (core dumped)
>> $ date '--date=TZ="123"345" @1'
>> *** Error in `date': double free or corruption (out): 0x00007fffc9866c20 ***
>> Aborted (core dumped)
>> $
>>
>> The GNU bugtracker has this patch to fix the problem:
>> http://debbugs.gnu.org/cgi/bugreport.cgi?msg=11;filename=date-tz-crash.patch;att=1;bug=16872
>> and this patch to include the fix in coreutils and a small test case:
>> http://debbugs.gnu.org/cgi/bugreport.cgi?msg=19;filename=coreutils-date-crash.patch;att=1;bug=16872
>>
>> Can a CVE please be assigned for this issue.

Use CVE-2014-9471.

---

CVE assignment team, MITRE CVE Numbering Authority M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]

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