kokua-opensim

maintainer orphaned · 1 votes · scanned 2026-08-03 00:08:14.047287

MEDIUM

Why flagged This PKGBUILD installs a prebuilt binary tarball (a full Second Life/OpenSim viewer) from SourceForge via a CDN mirror (netix.dl.sourceforge.net). SourceForge CDN mirrors are legitimate and the URL pattern matches the official SourceForge download infrastructure — netix is a known SourceForge mirror node, not a personal host. However, the package also pulls an icon PNG from a personal Dropbox link (dropbox.com/s/...), which is an unofficial, user-controlled host. More importantly, the core concern is that a prebuilt x86_64 binary blob is being installed to /opt and executed directly — this is the classic medium-risk pattern for AUR packages: executed code from a source that cannot be independently verified as the canonical upstream build. The md5sums provide weak integrity guarantees (MD5 is broken for collision resistance). The SourceForge project 'kokua.team-purple.p' appears to be the legitimate upstream project page for Kokua viewer. Overall this is a real but not clearly malicious supply-chain concern: prebuilt binary from a plausible but not cryptographically verified source, plus a Dropbox asset. Rated medium.

Triggered rules

MEDIUM source=() URL on a non-standard host source_untrusted_domain

One or more source=() URLs point to a host outside the trusted allowlist (github.com, gitlab.com, codeberg.org, pypi.org, …).

PKGBUILD:19 "https://www.dropbox.com/s/5p6io8zqc33idwh/kokua_icon.png"

MEDIUM AI review llm_review

An AI model (anthropic/claude-4.6-sonnet-20260217) reviewed this and agrees it is MEDIUM (confidence 72%): This PKGBUILD installs a prebuilt binary tarball (a full Second Life/OpenSim viewer) from SourceForge via a CDN mirror (netix.dl.sourceforge.net). SourceForge CDN mirrors are legitimate and the URL pattern matches the official SourceForge download infrastructure — netix is a known SourceForge mirror node, not a personal host. However, the package also pulls an icon PNG from a personal Dropbox link (dropbox.com/s/...), which is an unofficial, user-controlled host. More importantly, the core concern is that a prebuilt x86_64 binary blob is being installed to /opt and executed directly — this is the classic medium-risk pattern for AUR packages: executed code from a source that cannot be independently verified as the canonical upstream build. The md5sums provide weak integrity guarantees (MD5 is broken for collision resistance). The SourceForge project 'kokua.team-purple.p' appears to be the legitimate upstream project page for Kokua viewer. Overall this is a real but not clearly malicious supply-chain concern: prebuilt binary from a plausible but not cryptographically verified source, plus a Dropbox asset. Rated medium.

PKGBUILD

1 offending line(s) highlighted

      1# Maintainer: GordonGR <ntheo1979@gmail.com>
    
      2# Contributor: mikers <mikeonthecomputer@gmail.com>
    
      3# Contributor: Splex
    
      4
    
      5pkgname=kokua-opensim
    
      6pkgver=4.2.2.41800
    
      7_pkgver=4_2_2_41800
    
      8_pkgprever=4.2.2
    
      9pkgrel=1
    
      10pkgdesc="An Open Source third party viewer for Open Simulator (opensim) grids, only."
    
      11url="http://www.kokuaviewer.org"
    
      12license=('GPL')
    
      13arch=('i686' 'x86_64')
    
      14depends=('apr-util' 'gtk2' 'libgl' 'libidn' 'libjpeg-turbo' 'mesa' 'nss' 'sdl' 'glu' 'pangox-compat')
    
      15optdepends=('libpulse: for PulseAudio support' 'alsa-lib: for ALSA support' 'nvidia-utils: for NVIDIA support' 'pepper-flash: for inworld Flash support' 'gstreamer0.10: for video support, may need good, bad and ugly plugins' 'lib32-freealut: for OpenAL support')
    
      16conflicts=('kokua-secondlife')
    
      17
    
      18source=("https://netix.dl.sourceforge.net/project/kokua.team-purple.p/Kokua-OS/Linux64Bit/KokuaOS_RLV_64_${_pkgver}_x86_64.tar.txz"
    
      19		"https://www.dropbox.com/s/5p6io8zqc33idwh/kokua_icon.png"
    
      20		'kokua-opensim.desktop'
    
      21		'kokua-opensim.launcher')
    
      22md5sums=('75407ffe38350644138dd36c9930af04'
    
      23         '58ffa08dac5f50fb6ffefa79ce369653'
    
      24         'a5b15ff4dd93dbfc01ee6d7c799728d0'
    
      25         'dd2d31fddb0b67846c1dfd3bfed88859')
    
      26         
    
      27package() {
    
      28cd $srcdir
    
      29  
    
      30# Rename Data Directory
    
      31mv KokuaOS_RLV_64_${_pkgver}_$CARCH kokua-opensim
    
      32
    
      33# Install Desktop File
    
      34install -D -m644 $srcdir/kokua-opensim.desktop \
    
      35  $pkgdir/usr/share/applications/kokua-opensim.desktop
    
      36
    
      37# Install Icon File
    
      38install -D -m644 $srcdir/kokua_icon.png \
    
      39  $pkgdir/usr/share/pixmaps/kokua-opensim.png
    
      40
    
      41# Install Launcher
    
      42install -D -m755 $srcdir/kokua-opensim.launcher \
    
      43  $pkgdir/usr/bin/kokua-opensim
    
      44
    
      45# Move Data to Destination Directory
    
      46install -d $pkgdir/opt
    
      47mv kokua-opensim $pkgdir/opt/
    
      48
    
      49# Change Permissions of files to root:games
    
      50chown -R root:games $pkgdir/opt/kokua-opensim
    
      51chmod -R g+rw $pkgdir/opt/kokua-opensim
    
      52
    
      53# Make Binary Group-Executable
    
      54chmod g+x $pkgdir/opt/kokua-opensim/kokua
    
      55
    
      56# Do not re-register the application with the desktop system at every launch, saves from locally installed desktop files.
    
      57sed -i 's|./etc/refresh_desktop_app_entry.sh|#./etc/refresh_desktop_app_entry.sh|' $pkgdir/opt/kokua-opensim/kokua
    
      58   
    
      59}
    
      60

Scan history

Scanned at (UTC)	Severity	Rules
2026-08-03 00:08:14	MEDIUM	2
2026-08-02 00:16:08	MEDIUM	2
2026-08-01 00:11:18	MEDIUM	2
2026-07-31 00:14:10	MEDIUM	2
2026-07-30 00:17:23	MEDIUM	2
2026-07-29 00:25:53	MEDIUM	2
2026-07-28 00:07:28	MEDIUM	2
2026-07-27 00:24:32	MEDIUM	2
2026-07-26 00:07:32	MEDIUM	2
2026-07-25 00:13:44	MEDIUM	2
2026-07-24 00:02:28	MEDIUM	2
2026-07-23 00:14:47	MEDIUM	2
2026-07-22 00:29:32	MEDIUM	2
2026-07-21 00:24:15	MEDIUM	2
2026-07-20 00:19:49	MEDIUM	2
2026-07-19 00:17:08	MEDIUM	2
2026-07-18 00:14:48	MEDIUM	2
2026-07-17 00:06:16	MEDIUM	2
2026-07-16 00:05:41	MEDIUM	2
2026-07-15 00:09:25	MEDIUM	2