vuze-extreme-mod

maintainer thilodoring · 13 votes · scanned 2026-08-03 00:08:14.047287

MEDIUM

Why flagged The PKGBUILD downloads a prebuilt mod zip (VPEM_5750-00.zip) from sb-innovation.de, a third-party forum/community site, not an official upstream vendor or well-known mirror. This zip is extracted and its contents are placed directly into /opt/$pkgname/, meaning arbitrary files from this unverified host are installed as executable application code. While an MD5 checksum is present, MD5 is cryptographically broken and provides only weak integrity guarantees against accidental corruption, not against a deliberate substitution attack. The host sb-innovation.de is a private community site with no verifiable chain of custody. The mod itself is described as providing 'spoofing capabilities', which is a legitimate BitTorrent client feature (peer ID spoofing) but also means the package is inherently a modified/unofficial build. This is a genuine supply-chain concern: executed code from a non-official, personal/community host with only MD5 verification. The main Vuze source comes from SourceForge (official upstream), which is fine. The risk is specifically the mod zip from sb-innovation.de.

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:23 'http://www.sb-innovation.de/attachments/f41/17559d1488493507-vuze-extreme-mod-sb-innovation-5-7-5-0-vpem_5750-00.zip'

MEDIUM AI review llm_review

An AI model (anthropic/claude-4.6-sonnet-20260217) reviewed this and agrees it is MEDIUM (confidence 72%): The PKGBUILD downloads a prebuilt mod zip (VPEM_5750-00.zip) from sb-innovation.de, a third-party forum/community site, not an official upstream vendor or well-known mirror. This zip is extracted and its contents are placed directly into /opt/$pkgname/, meaning arbitrary files from this unverified host are installed as executable application code. While an MD5 checksum is present, MD5 is cryptographically broken and provides only weak integrity guarantees against accidental corruption, not against a deliberate substitution attack. The host sb-innovation.de is a private community site with no verifiable chain of custody. The mod itself is described as providing 'spoofing capabilities', which is a legitimate BitTorrent client feature (peer ID spoofing) but also means the package is inherently a modified/unofficial build. This is a genuine supply-chain concern: executed code from a non-official, personal/community host with only MD5 verification. The main Vuze source comes from SourceForge (official upstream), which is fine. The risk is specifically the mod zip from sb-innovation.de.

PKGBUILD

1 offending line(s) highlighted

      1# Maintainer: Det <nimetonmaili g-mail>
    
      2# Contributor: joseph28cb
    
      3
    
      4# Choose, which icons to use for menus and system tray ("blue", "gray" or "default").
    
      5_icon="default"
    
      6
    
      7pkgname=vuze-extreme-mod
    
      8pkgver=5.7.5.0
    
      9_ver=5750
    
      10pkgrel=1
    
      11pkgdesc="A modded version of the Vuze BitTorrent client with multiple spoofing capabilities"
    
      12arch=('x86_64')
    
      13url="http://www.sb-innovation.de/f41/"
    
      14license=('GPL')
    
      15depends=('desktop-file-utils' 'java-runtime')
    
      16optdepends=('vuze-plugin-countrylocator: Country flags for the "Peers" tab'
    
      17            'vuze-plugin-mldht: The alternative Distributed Hash Table implementation (DHT) used by µTorrent'
    
      18            'xulrunner192: Needed for the channels GUI')
    
      19provides=('vuze')
    
      20options=('!strip')
    
      21install=$pkgname.install
    
      22source=("http://downloads.sourceforge.net/azureus/vuze/Vuze_${_ver}/Vuze_${_ver}_linux.tar.bz2"
    
      23        'http://www.sb-innovation.de/attachments/f41/17559d1488493507-vuze-extreme-mod-sb-innovation-5-7-5-0-vpem_5750-00.zip'
    
      24         {blue,gray}_{16,32,64,128}.png)
    
      25noextract=($(basename ${source[1]}))
    
      26md5sums=('fb8f224700331de86caa8648418fb41b'
    
      27         '05c0d1c5bd369abbd1f38556703c2524'
    
      28         '5eba696cfcc430504706f476e13b2ade'
    
      29         'a4cae0c46a6ac56322753f96f52b8f74'
    
      30         '5eba696cfcc430504706f476e13b2ade'
    
      31         '74fd7cf4d05e5c2111ec2dbf62b3c9d8'
    
      32         '4374a188968bf9f09cab090ca7d33ce4'
    
      33         '484182b170741132ffe2d78c6feaf230'
    
      34         '4374a188968bf9f09cab090ca7d33ce4'
    
      35         'db19086ba7bd8eefee05538f4c65aa68')
    
      36
    
      37package() {
    
      38  rm -rf VPEM_*
    
      39  cd vuze
    
      40
    
      41  msg2 "Creating directory structure..."
    
      42  install -d "$pkgdir"/opt/$pkgname/
    
      43  install -d "$pkgdir"/usr/bin/
    
      44  install -d "$pkgdir"/usr/share/applications/
    
      45  install -d "$pkgdir"/usr/share/licenses/$pkgname/
    
      46  install -d "$pkgdir"/usr/share/pixmaps/
    
      47
    
      48  msg2 "Moving stuff in place..."
    
      49  # Launcher
    
      50  mv vuze "$pkgdir"/usr/bin/$pkgname
    
      51
    
      52  # swt.jar
    
      53  mv swt/swt64.jar "$pkgdir"/opt/$pkgname/swt.jar
    
      54
    
      55  # Icon and desktop 
    
      56  mv vuze.png "$pkgdir"/usr/share/pixmaps/$pkgname.png
    
      57  mv vuze.desktop "$pkgdir"/usr/share/applications/$pkgname.desktop
    
      58
    
      59  # Licenses
    
      60  for i in GPL.txt GPLv3.txt LICENSES.txt TOS.txt; do
    
      61    mv $i "$pkgdir"/usr/share/licenses/$pkgname/
    
      62  done
    
      63
    
      64  msg2 "Removing redundancies..."
    
      65  rm -r swt/
    
      66  rm    azureus
    
      67  rm    installer.log
    
      68  rm    README.txt
    
      69  rm    vuze.schemas
    
      70
    
      71  msg2 "Installing to /opt..."
    
      72  mv * "$pkgdir"/opt/$pkgname/
    
      73
    
      74  msg2 "Fixing paths..."
    
      75  sed -i "s|#PROGRAM_DIR=.*|PROGRAM_DIR=\"/opt/$pkgname\"|" "$pkgdir"/usr/bin/$pkgname
    
      76
    
      77  msg2 "Adding support for magnet links..."
    
      78  sed -r -e "s|Name=Vuze|Name=Vuze Extreme Mod|" \
    
      79         -e "s|Exec=vuze %f|Exec=$pkgname %U|" \
    
      80         -e "s|Icon=vuze.png|Icon=$pkgname.png|" \
    
      81         -e "s|(x-bittorrent)|\1;x-scheme-handler/magnet;|" \
    
      82         -i "$pkgdir"/usr/share/applications/$pkgname.desktop
    
      83
    
      84  msg2 "Installing Extreme Mod..."
    
      85  bsdtar -xf "$srcdir"/$(basename ${source[1]})
    
      86  mv "$srcdir"/vuze/VPEM_*/* "$pkgdir"/opt/$pkgname/
    
      87
    
      88  # Different icons for menus and systray
    
      89  if [[ $_icon = blue ]] || [[ $_icon = gray ]]; then
    
      90    msg2 "Using alternative $_icon icons..."
    
      91
    
      92    # Menus
    
      93    cd "$srcdir"
    
      94    install -m644 ${_icon}_128.png "$pkgdir"/usr/share/pixmaps/$pkgname.png
    
      95
    
      96    # Extract .jar
    
      97    install -d tmp/
    
      98    bsdtar -xf $(basename ${source[1]}) Azureus2.jar
    
      99    bsdtar -xf Azureus2.jar -C tmp/
    
      100
    
      101    # Place icons
    
      102    for i in 16 32 64 128; do
    
      103      install -m644 ${_icon}_${i}.png tmp/org/gudy/azureus2/ui/icons/a${i}.png
    
      104    done
    
      105
    
      106    # Recreate .jar
    
      107    cd tmp
    
      108    jar cf Azureus2.jar ./*/
    
      109
    
      110    # Install
    
      111    install -m644 Azureus2.jar "$pkgdir"/opt/$pkgname/
    
      112  fi
    
      113}
    
      114

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