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Message-ID: <53E33148.5010102@redhat.com>
Date: Thu, 07 Aug 2014 17:56:56 +1000
From: Murray McAllister <mmcallis@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: issues in ISO C++ 2011 regex library
On 08/06/2014 04:36 AM, Rich Felker wrote:
> On Tue, Aug 05, 2014 at 03:50:32PM +1000, Murray McAllister wrote:
>> Hello,
>>
>> Maksymilian Arciemowicz reported a number of issues in the ISO C++
>> 2011 regex libraries:
>>
>> http://seclists.org/fulldisclosure/2014/Aug/1
>>
>> Bugs:
>>
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601
>>
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61582
>>
>> http://llvm.org/bugs/show_bug.cgi?id=20291
>>
>> For the memory corruption bug (61582), there seems to be more than
>> one issue here (at least a heap-based buffer overflow and a stack
>> overflow of some sort). Can a single CVE be assigned, or do you need
>> specific details for each issue (I don't currently have those)?
>>
>> With GCC 4.8 in Fedora, the affected program needs to be compiled
>> using the "-std=c++11" option.
>
> I think this issue is mis-named. "The ISO C++ 2011 regex library" is a
> specfication, not an implementation, and a vulnerability in it would
> be a fundamental flaw in the API design (analogous to gets in C). It
> seems like this CVE request is for one or more GCC/libstdc++ bugs, and
> it should be identified as such.
>
> Rich
>
Thanks for pointing that out, and sorry for the confusion!
There is some discussion in
https://bugzilla.redhat.com/show_bug.cgi?id=1126691 about why these
should not be treated as security issues.
Cheers,
--
Murray McAllister / Red Hat Product Security
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