Date: Sun, 13 Apr 2014 07:40:31 +0000 From: mancha <mancha1@...o.com> To: oss-security@...ts.openwall.com Subject: Re: Use-after-free race condition,in OpenSSL's read buffer On Sun, Apr 13, 2014 at 10:44:54AM +0400, Solar Designer wrote: > On Sat, Apr 12, 2014 at 09:47:49PM -0600, Scotty Bauer wrote: > > Patch is available at: > > http://ftp.openbsd.org/pub/OpenBSD/patches/5.4/common/008_openssl.patch > > Some context to this: > > http://www.tedunangst.com/flak/post/analysis-of-openssl-freelist-reuse > > This specific patch is found in Benson Kwok's bug report: > > https://rt.openssl.org/Ticket/Display.html?id=2167&user=guest&pass=guest A little more context: This is effectively a NOP unless OpenSSL is compiled with -DOPENSSL_NO_BUF_FREELIST. Here's another ticket with a similar solution: https://rt.openssl.org/Ticket/Display.html?id=3265&user=guest&pass=guest --mancha [ CONTENT OF TYPE application/pgp-signature SKIPPED ]
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