I'll still wait a bit to see if libxls can get to an official release soon.

But readxl builds and passes tests everywhere with the current libxls, so
that's good news:

https://github.com/tidyverse/readxl/pull/543

-- Jenny

On Sat, Jan 26, 2019 at 7:23 AM Evan Miller <emmil...@gmail.com> wrote:

>
> > On Jan 26, 2019, at 10:05, Dirk Eddelbuettel <e...@debian.org> wrote:
> >
> >
> > On 24 January 2019 at 19:54, Evan Miller wrote:
> > |
> > | > On Jan 24, 2019, at 19:10, Dirk Eddelbuettel <e...@debian.org> wrote:
> > | >
> > | >
> > | > On 24 January 2019 at 16:36, Evan Miller wrote:
> > | > |
> > | > | > On Jan 23, 2019, at 01:16, Evan Miller <emmil...@gmail.com>
> wrote:
> > | > | >
> > | > | > #34 and #35 have returned from the dead on GitHub. I’ll take a
> closer look later this week.
> > | > | >
> > | > | > Evan
> > | > |
> > | > |
> > | > | OK — I can confirm that all of the reported libxls bugs are fixed.
> > | >
> > | > As in: in the current libxls GH version?  I can make a patched Debian
> > | > release of that.
> > |
> > | Yes, they are fixed in master on GitHub. Note that there are quite a
> few changes since 1.4 – I can’t promise that master has ABI compatibility
> with the last official 1.4 release. But if you compile the new sources
> using the old headers (or diff and merge manually) I don’t think there will
> be an issue on that front.
> >
> > Maybe Jenny could take a look?
> >
> > It is her use of your library in her package that I stand behind for
> Debian.
>
> Ah, okay, then the ABI doesn’t matter. I had assumed you were packaging
> libxls as a runtime library + development headers.
>
> >
> > Thanks for all your diligent work on this. It is great to see this move
> in
> > the right ("fuzzing") direction.
>
> Long overdue! :-)
>
> Evan
>
> >
> > Dirk
> >
> > | Evan
> > |
> > | >
> > | > | I have successfully integrated libxls into OSS-Fuzz, and have
> added the researcher’s test files to the fuzzing corpus, so that this and
> related issues should be caught by the address sanitizer in the future.
> > | > |
> > | > | OSS-Fuzz has turned up a number of other issues. I will plan to do
> a release when they are all addressed.
> > | >
> > | > That is awesome.
> > | >
> > | > Thank you,  Dirk
> > | >
> > | > | Evan
> > | > |
> > | > | >
> > | > | >> On Jan 15, 2019, at 14:12, Moritz Muehlenhoff <j...@inutil.org
> <mailto:j...@inutil.org>> wrote:
> > | > | >>
> > | > | >> On Tue, Jan 15, 2019 at 10:43:25AM -0600, Dirk Eddelbuettel
> wrote:
> > | > | >>>
> > | > | >>> Hi Evan,
> > | > | >>>
> > | > | >>> On 15 January 2019 at 11:18, Evan Miller wrote:
> > | > | >>> |
> > | > | >>> | > On Jan 15, 2019, at 03:06, Moritz Muehlenhoff <
> j...@inutil.org <mailto:j...@inutil.org>> wrote:
> > | > | >>> | >
> > | > | >>> | > On Mon, Jan 14, 2019 at 08:45:56PM -0500, Evan Miller
> wrote:
> > | > | >>> | >> Oddly, all four issues (#34, #35, #36, #37) seem to have
> disappeared from GitHub. I don’t know if the original reporter intended to
> close them, or what.
> > | > | >>> | >>
> > | > | >>> | >> I have an email copy of #34 but do not have access to the
> PoC files. So without the cooperation of the reporter (Zhao Liang, Huawei
> Weiran Labs) my ability to research will be limited.
> > | > | >>> | >
> > | > | >>> | > That's really strange, do you have the mail address of
> Zhao, could you ask him what happened?
> > | > | >>> |
> > | > | >>> | His address may be leon.zha...@gmail.com <mailto:
> leon.zha...@gmail.com> - I’ll try it. His GitHub profile is now a 404.
> > | > | >>> |
> > | > | >>> | >
> > | > | >>> | > MITRE doesn't archive security content per se, they only
> deal with the organisation and assignment
> > | > | >>> | > of numbers. The Internet Archive's Wayback machine also
> hasn't archived the Github pages.
> > | > | >>> | >
> > | > | >>> | > Cheers,
> > | > | >>> | >        Moritz
> > | > | >>> |
> > | > | >>> |
> > | > | >>> | Here are the Google caches of #34 and #35:
> > | > | >>> |
> > | > | >>> |
> https://webcache.googleusercontent.com/search?q=cache:pgRHJwznP7wJ:https://github.com/evanmiller/libxls/issues/34+&cd=1&hl=en&ct=clnk&gl=us&client=safari
> <
> https://webcache.googleusercontent.com/search?q=cache:pgRHJwznP7wJ:https://github.com/evanmiller/libxls/issues/34+&cd=1&hl=en&ct=clnk&gl=us&client=safari
> >
> > | > | >>> |
> > | > | >>> |
> https://webcache.googleusercontent.com/search?q=cache:5GNSeHQTzEsJ:https://github.com/evanmiller/libxls/issues/35+&cd=1&hl=en&ct=clnk&gl=us&client=safari
> <
> https://webcache.googleusercontent.com/search?q=cache:5GNSeHQTzEsJ:https://github.com/evanmiller/libxls/issues/35+&cd=1&hl=en&ct=clnk&gl=us&client=safari
> >
> > | > | >>> |
> > | > | >>> | The PoC links are dead.
> > | > | >>> |
> > | > | >>> | Looking at the backtraces and the commit fixing #36 and #37 (
> https://github.com/evanmiller/libxls/commit/24044ad7d7cec8a6a1c2370caad27890121a776e
> <
> https://github.com/evanmiller/libxls/commit/24044ad7d7cec8a6a1c2370caad27890121a776e>)
> it is my belief that issues #34 and #35 are NOT fixed.
> > | > | >>> |
> > | > | >>> | I’ll look into them soon.
> > | > | >>>
> > | > | >>> You're awesome!  Much appreciated.
> > | > | >>>
> > | > | >>> Moritz: Do you expect the CVE to puliverize too, or will it
> remain active and
> > | > | >>> open, but "simply" without any hard (public) evidence backing
> it?
> > | > | >>
> > | > | >> No, they stick around, it sometimes happens that references
> vanish, e.g. then hosting sites
> > | > | >> go down (think of berlios or similar)
> > | > | >>
> > | > | >> Cheers,
> > | > | >>        Moritz
> > | > | >
> > | > |
> > | >
> > | > --
> > | > http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org
> >
> > --
> > http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org
>

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