Date: Tue, 5 Aug 2014 14:36:21 -0400 From: Rich Felker <dalias@...c.org> To: oss-security@...ts.openwall.com Subject: Re: CVE request: issues in ISO C++ 2011 regex library 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
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