duelsplus

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

MEDIUM

Why flagged The PKGBUILD downloads a prebuilt AppImage binary from launcher-updates.duelsplus.com, which is the project's own update/distribution host rather than a well-known package registry or GitHub releases. The AppImage is then extracted and installed as an executable. While a sha256sum is pinned (providing integrity at build time), the host is a project-controlled server that could silently serve a different binary if the domain or infrastructure were compromised, and there is no GPG signature verification. This is a classic supply-chain concern for AUR packages distributing prebuilt binaries from unofficial/personal hosts. The package itself appears to be a legitimate Minecraft proxy client tool, not malware, but the risk pattern (executed binary from a non-standard host, no signature check) warrants medium severity.

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:15 source=("${_appimage}::https://launcher-updates.duelsplus.com/download/flavor/default/${pkgver}/linux_64/${_appimage}")

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 AppImage binary from launcher-updates.duelsplus.com, which is the project's own update/distribution host rather than a well-known package registry or GitHub releases. The AppImage is then extracted and installed as an executable. While a sha256sum is pinned (providing integrity at build time), the host is a project-controlled server that could silently serve a different binary if the domain or infrastructure were compromised, and there is no GPG signature verification. This is a classic supply-chain concern for AUR packages distributing prebuilt binaries from unofficial/personal hosts. The package itself appears to be a legitimate Minecraft proxy client tool, not malware, but the risk pattern (executed binary from a non-standard host, no signature check) warrants medium severity.

PKGBUILD

1 offending line(s) highlighted

      1# Maintainer: kneesdev <kneesdev@naver.com>
    
      2pkgname=duelsplus
    
      3_pkgname=duelsplus
    
      4pkgver=2.8.4
    
      5pkgrel=1
    
      6pkgdesc="Lightweight, custom Minecraft Proxy designed to enhance your experience on Hypixel Duels."
    
      7arch=('x86_64')
    
      8url="https://duelsplus.com"
    
      9license=('MIT')
    
      10depends=('fuse2')
    
      11options=(!strip !debug)
    
      12provides=('duelsplus')
    
      13conflicts=('duelsplus-bin')
    
      14_appimage="Duels+-${pkgver}-x64.AppImage"
    
      15source=("${_appimage}::https://launcher-updates.duelsplus.com/download/flavor/default/${pkgver}/linux_64/${_appimage}")
    
      16sha256sums=('87c302b773722cc555ff63590d60ab1cb08fefcec3c1b1b666f1a229a50a3f4a')
    
      17
    
      18prepare() {
    
      19    chmod +x "${_appimage}"
    
      20    ./"${_appimage}" --appimage-extract
    
      21}
    
      22
    
      23build() {
    
      24	sed -i -E \
    
      25		"s|Exec=AppRun|Exec=env DESKTOPINTEGRATION=false /usr/bin/${_pkgname}|" \
    
      26		"squashfs-root/Duels+.desktop"
    
      27	chmod -R a-x+rX squashfs-root/usr
    
      28}
    
      29
    
      30package() {
    
      31	install -Dm755 \
    
      32		"${srcdir}/${_appimage}" \
    
      33		"${pkgdir}/opt/${_pkgname}/${pkgname}.AppImage"
    
      34
    
      35	install -Dm644 \
    
      36		"squashfs-root/Duels+.desktop" \
    
      37		"${pkgdir}/usr/share/applications/${pkgname}.desktop"
    
      38
    
      39        install -dm755 "${pkgdir}/usr/share/icons/hicolor/256x256/apps"
    
      40	install -Dm644 \
    
      41    		"squashfs-root/usr/share/icons/hicolor/256x256/apps/duelsplus-launcher.png" \
    
      42    		"${pkgdir}/usr/share/icons/hicolor/256x256/apps/duelsplus-launcher.png"
    
      43
    
      44	install -dm755 "${pkgdir}/usr/bin"
    
      45        ln -s \
    
      46		/usr/bin/duelsplus-launcher \
    
      47		"${pkgdir}/usr/bin/duelsplus"
    
      48	ln -s \
    
      49		"/opt/${_pkgname}/${_pkgname}.AppImage" \
    
      50		"${pkgdir}/usr/bin/duelsplus-launcher"
    
      51}
    
      52

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