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Date: Tue, 25 Aug 2020 15:38:47 +0200
From: Salvatore Bonaccorso <>
Subject: Re: Fossil-SCM patch fixes RCE in all historic


On Thu, Aug 20, 2020 at 11:15:41AM -0400, Richard Hipp wrote:
> Researcher Max Justicz discovered a potential RCE and other
> vulnerabilities in the Fossil distributed version control system.
> (  Patches to address these issues are now
> available for download.  Package maintainers who bundle Fossil are
> encouraged to update their packages without unnecessary delay.
> All vulnerabilities require a pre-existing trust relationship between
> the victim and the attacker.  In other words, the attacker must be
> either a site administrator, or someone with check-in privileges on
> the project.  There are no known vulnerabilities to servers from web
> users entering tickets or forum messages or wiki or doing other
> on-line operations.  The attacks require the ability to push, at
> least, and the most serious RCE problem requires the ability to
> configure a server in malicious ways.  If you are unable to upgrade to
> one of the patched versions of Fossil, then you are encouraged at
> least to know well the people from whom you clone or pull.
> Precompiled binaries and source tarballs for the patched versions of
> Fossil are available on the Fossil download page
> (  However, the dozens
> of check-ins that went into generating these patches, and the tickets
> that describe the specifics of the vulnerabilities, will be embargoed
> for a few days.
> See the thread on the Fossil Forum
> ( for follow up
> information or to communicate directly with the Fossil developers.

FWIW, the RCE issue has been assigned CVE-2020-24614 by MITRE.


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