Date: Wed, 16 Jul 2014 15:54:19 +0000 From: Ramon de C Valle <rdecvalle@...are.com> To: Tomas Hoger <thoger@...hat.com> CC: "cve-assign@...re.org" <cve-assign@...re.org>, "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>, "mmcallis@...hat.com" <mmcallis@...hat.com> Subject: Re: [ruby-core:63604] [ruby-trunk - Bug #10019] [Open] segmentation fault/buffer overrun in pack.c (encodes) On Jul 16, 2014, at 12:16 PM, Tomas Hoger <thoger@...hat.com> wrote: > On Tue, 15 Jul 2014 15:10:05 +0000 Ramon de C Valle wrote: > >>> First, we don't know what "The same sample works under 1.9.3" means. >>> It might mean "The same AWS sample is also a working vulnerability >>> reproducer when using Ruby 1.9.3." It might instead mean "With this >>> AWS sample, my program works normally when using Ruby 1.9.3; in >>> other words, no vulnerability is observed.” >> >> It meant that his sample worked normally when he used Ruby 1.9.3. (I >> assumed this because the version he specified as containing the bug >> in the report was Ruby 2.1, and specified Ruby 2.0 as requiring >> backport, but not Ruby 1.9.3.) > > It's reasonable to assume that reporter did not touch the "Backport:" > field at all. The issue was reported for ruby 2.1.2p168 (see the "ruby > -v" field). Backport value was original set to: > > 2.0.0: UNKNOWN, 2.1: UNKNOWN > > which happens to be the default value pre-filed into the field for you > by the bug tracker when you try create a new issue. You can easily > check by visiting: > > https://urldefense.proofpoint.com/v1/url?u=https://bugs.ruby-lang.org/projects/ruby-trunk/issues/new&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=bZpuVimtRQUx3xHFIlu%2BaciWn3GMzM%2FBnwDoBm5jP8U%3D%0A&m=lvYqyGvlOo5QOKyQaxN7hxz4fIAGdWpnzcVczLGTTHE%3D%0A&s=9741b68b74eb44558252f0c9758238f5eb18199838d2f3821f2214c00241ff20 > > All changes from UNKNOWN to REQUIRED were not done by the reporter, as > you can see from the bug comments. > > I don't think you can draw the conclusion based on the Backport field. Yes, you’re right. I didn’t notice that. So, it’s still unclear what the author meant with that statement (i.e., Ruby 1.9.3 may also be affected if there exists another issue). > > -- > Tomas Hoger / Red Hat Security Response Team -- Ramon de C Valle VMware Product Security Engineering Download attachment "signature.asc" of type "application/pgp-signature" (843 bytes)
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