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Date: Wed, 31 Aug 2022 08:25:04 +0200
From: Salvatore Bonaccorso <carnil@...ian.org>
To: oss-security@...ts.openwall.com
Subject: Re: Freeciv < 2.6.7, freeciv-3.0 < 3.0.3, Modpack
Installer buffer overflow
Hi,
On Fri, Aug 05, 2022 at 02:17:51AM +0300, Marko Lindqvist wrote:
> Just released freeciv-2.6.7 & freeciv-3.0.3 fix buffer overflow in
> Modpack Installer utility's handling of the modpack URL. Specially
> crafted URLs, without any '/' -characters would result in an
> underflowing length (unsigned)(-1) string copy, i.e., all of the
> NULL-terminated string given as "URL" would get written beyond the
> buffer reserved for it.
>
> Freeciv source tarballs are available from
> https://www.freeciv.org/download.html for current 3.0, and from
> https://www.freeciv.org/wiki/Old_downloads for 2.6.
>
> In case you can't make full version update at the moment, bug tracker
> ticket has also a patch for this single issue attached:
> https://osdn.net/projects/freeciv/ticket/45299
FTR, this has CVE-2022-39047 assigned:
https://www.cve.org/CVERecord?id=CVE-2022-39047
Regards,
Salvatore
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