Date: Sat, 05 May 2012 17:55:28 -0600 From: Kurt Seifried <kseifried@...hat.com> To: Solar Designer <solar@...nwall.com> CC: oss-security@...ts.openwall.com Subject: Re: Debian/Ubuntu php_crypt_revamped.patch -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 05/04/2012 11:35 AM, Solar Designer wrote: > On Fri, May 04, 2012 at 10:08:53AM -0600, Kurt Seifried wrote: >> So I'm guessing this needs a CVE #? > > The purpose of my posting wasn't to request a CVE id (although you > may provide one), but rather to notify Ubuntu and others of the > Debian bug that they may need to fix in Debian-derived distros, and > to suggest that the patch be dropped from future versions. > > Speaking of CVE, though, I think that yes - this deserves one. > This is a security issue in two ways: > > 1. User authentication in some PHP apps may turn from fail-close > to fail-open. > > 2. If a PHP app actually makes use of PHP crypt()'s ability to > generate random salts (when no salt is provided), then empty > strings may be generated in place of hashed passwords for newly > set/changed passwords. Combined with #1 above, this may mean that > authentication with any password will then succeed against such > accounts. > > Since I expect that Ubuntu will fix this in a PHP update for 11.04, > I guess they'll want to refer to a CVE id in the advisory. > > Thanks, > > Alexander Please use CVE-2012-2317 for this issue. - -- Kurt Seifried Red Hat Security Response Team (SRT) PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBAgAGBQJPpb3sAAoJEBYNRVNeJnmTMKYP/2xzCpV+UpDSj4TjY5nx4vzj yp5qt2jLWvb36/mZE4QfamIcp8jARGDSQPkFQ/dY5sjn/fTpdKzBVNbFvDcHTwuu nfsPp1owlXrqW3SPVTpUjl+FpeRIdWhYoj3H5Le2vFkWVxjwt7CmJEITU88lr3/8 fklX1RMqVEy7EPWjnLmfvO4oLa9d2FrB2R3EnYPt32zxSJZEIBIqladGIHpiJTS/ f+IuRjHvNJUODQ+Bz+Rh/CONwPXUXVqAft75FHIkAg/8SxZ2ILd5kDX7uh3quWvj 5U2TleRNEF024DWvo4yt20gvPGRH+eSTBOnZqNfjPJk6vAJutyGuMam0LnEni6ht WSRFj78xnlBcw8BX5kYEeNviTDUGC1nN45cymEOtFrwsHlz+rJ1A0IaDNlSnmCN8 OnhWTkmLc4vq74gPc6omgd/C76xrtTEGFgFpYEY3Fl9SN3hyuW5QxYVqIFOob4RP 4X1aYFpoc1RV6ow3Q8VIy8cTqK7rPD5mME5AGBrXg0gwH94mroaVfEyNDtX6GWY7 yea9WJB5LsaSDhg4WQe7is7V0MgMFz4PHOtFWyeeNFHAadXSz8KTUqX1CJCeWY2q 6a6R7p8PTDpJnTtnXFZQKXRpqDlNXaQyNlYHCQwwjIXwLExBqvKdoBaCpezNPn6d vR2zG4anSx0QbFTZga9Z =8hhh -----END PGP SIGNATURE-----
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