Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-7969-1 advisory.

    David Mendenhall discovered that Dungeon Crawl Stone Soup was incorrectly handling Lua bytecode embedded     in an uploaded .crawlrc file. An attacker could possibly use this issue to execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code     via Lua bytecode embedded in an uploaded .crawlrc file. (CVE-2020-11722)

Note that Nessus relies on the presence of the package as reported by the vendor.

- Release 0.24.1

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for crawl fixes the following issues :

  - CVE-2020-11722: Fixed a remote code evaluation issue     with lua loadstring (boo#1169381)

Update to version 0.24.0

  - Vampire species simplified

  - Thrown weapons streamlined

  - Fedhas reimagined

  - Sif Muna reworked

Update to version 0.23.2

  - Trap system overhaul

  - New Gauntlet portal to replace Labyrinths

  - Nemelex Xobeh rework

  - Nine unrandarts reworked and the new 'Rift' unrandart     added

  - Support for seeded dungeon play

  - build requires python and python-pyYAML

Update to 0.22.0

  - Player ghosts now only appear in sealed ghost vaults

  - New spell library interface

  - User interface revamp for Tiles and WebTiles

ID	Name	Product	Family	Severity
294896	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Dungeon Crawl Stone Stoup vulnerability (USN-7969-1)	Nessus	Ubuntu Local Security Checks	critical
258935	Linux Distros Unpatched Vulnerability : CVE-2020-11722	Nessus	Misc.	critical
136440	Fedora 31 : crawl (2020-de88782eaa)	Nessus	Fedora Local Security Checks	critical
136009	openSUSE Security Update : crawl (openSUSE-2020-549)	Nessus	SuSE Local Security Checks	critical

Detections

Analytics

CVE-2020-11722

critical

Tenable Plugins

critical

critical

critical

critical