Date: Mon, 07 Nov 2011 09:13:57 -0700 From: Kurt Seifried <kseifried@...hat.com> To: oss-security@...ts.openwall.com CC: Jan Lieskovsky <jlieskov@...hat.com>, "Steven M. Christey" <coley@...us.mitre.org> Subject: Re: CVE Request -- Ruby (OpenSSL extension) -- Insecure way of creation exponent value by private RSA key generation On 11/07/2011 08:55 AM, Jan Lieskovsky wrote: > Hello Kurt, Steve, vendors, > > a security flaw was found in the way the OpenSSL extension of the > Ruby programming language (of version from the Git trunk repository > after 2011-09-01 up to 2011-11-03) generated exponent value to be used > for private RSA key generation (the bug caused the exponent for the > generated key to be always '1'). A remote attacker could use this flaw > to bypass / corrupt integrity of services, depending on strong private > RSA keys generation mechanism. > > Relevant upstream patch: >  > http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=33633 > > References: >  https://bugzilla.redhat.com/show_bug.cgi?id=751800 > > Could you allocate a CVE id for this? Please use CVE-2011-4121 for this issue. > > Thank you && Regards, Jan. > -- > Jan iankko Lieskovsky / Red Hat Security Response Team -- -Kurt Seifried / Red Hat Security Response Team
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