On 2018-02-02 10:46:12, Salvatore Bonaccorso wrote:
> Hi Robert,
> On Sun, Jan 28, 2018 at 11:09:09PM +0000, Debian Bug Tracking System wrote:
>> This is an automatic notification regarding your Bug report
>> which was filed against the p7zip package:
>> #888297: p7zip: CVE-2017-17969: ZIP Shrink: Heap Buffer Overflow
> [...]
>>    * Hopefully fix ZIP Shrink: Heap Buffer Overflow (CVE-2017-17969). Thanks
>>      to Antoine Beaupré for the initial patch, based on upstream changes in
>>      7Zip 18.00.beta (closes: #888297).
> It looks the upload for unstable contained a backport of an earlier
> variant. Can you update to the most recent iteration as posted in
> https://sourceforge.net/p/p7zip/bugs/_discuss/thread/0920f369/#27d7 ?
> The check for cur against kNumItems is missing, not sure this can
> cause any further problem.

I concur: the original researcher explicitly sent me a patch that checks
the `cur` counter as well.


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                        - Ernesto "Che" Guevara

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