freeciv: CVE-2022-6083: Modpack Installer buffer overflow

Related Vulnerabilities: CVE-2022-6083  

Debian Bug report logs - #1017579
freeciv: CVE-2022-6083: Modpack Installer buffer overflow

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Reported by: Moritz Muehlenhoff <jmm@debian.org>

Date: Wed, 17 Aug 2022 22:54:01 UTC

Severity: grave

Tags: security

Found in version freeciv/2.6.6-1

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Report forwarded to debian-bugs-dist@lists.debian.org, team@security.debian.org, Debian Games Team <pkg-games-devel@lists.alioth.debian.org>:
Bug#1017579; Package src:freeciv. (Wed, 17 Aug 2022 22:54:03 GMT) (full text, mbox, link).


Acknowledgement sent to Moritz Muehlenhoff <jmm@debian.org>:
New Bug report received and forwarded. Copy sent to team@security.debian.org, Debian Games Team <pkg-games-devel@lists.alioth.debian.org>. (Wed, 17 Aug 2022 22:54:04 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Moritz Muehlenhoff <jmm@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: Freeciv < 2.6.7, freeciv-3.0 < 3.0.3, Modpack Installer buffer overflow
Date: Thu, 18 Aug 2022 00:51:28 +0200
Source: freeciv
Version: 2.6.6-1
Severity: grave
Tags: security
X-Debbugs-Cc: Debian Security Team <team@security.debian.org>

Quoting from the announcement posted to oss-security (no CVE is
available):

----------------------------------------------------------------------
 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
----------------------------------------------------------------------



Changed Bug title to 'freeciv: CVE-2022-6083: Modpack Installer buffer overflow' from 'Freeciv < 2.6.7, freeciv-3.0 < 3.0.3, Modpack Installer buffer overflow'. Request was from Salvatore Bonaccorso <carnil@debian.org> to control@bugs.debian.org. (Thu, 18 Aug 2022 04:33:02 GMT) (full text, mbox, link).


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