ukylin-wine

MEDIUM

maintainer abcfy2 0 votes scanned 2026-09-17 00:27:14.276658

View on AUR

Why flagged

The PKGBUILD downloads a prebuilt binary .deb from archive.ubuntukylin.com, which is the official Ubuntu Kylin package repository (a Canonical-partnered Chinese Ubuntu derivative). This is a legitimate vendor host, not a random personal server. However, the package installs proprietary, prebuilt Wine binaries from a Chinese Linux distribution's repository directly onto an Arch system. The concerns are: (1) it is a prebuilt binary blob with only an MD5 checksum (weak integrity guarantee, no GPG signature verification); (2) the host, while official for Ubuntu Kylin, is not a widely audited distribution in the broader Linux ecosystem; (3) the binary is executed/installed directly without source compilation. This constitutes a real supply-chain concern — if the host or the package were compromised, arbitrary code would execute on the user's system. The risk is not clearly malicious but is a genuine medium-severity supply-chain concern due to the prebuilt binary nature and weak checksum-only verification.

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:13 source=("http://archive.ubuntukylin.com/software/pool/partner/ukylin-wine_${pkgver}_amd64.deb")

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 binary .deb from archive.ubuntukylin.com, which is the official Ubuntu Kylin package repository (a Canonical-partnered Chinese Ubuntu derivative). This is a legitimate vendor host, not a random personal server. However, the package installs proprietary, prebuilt Wine binaries from a Chinese Linux distribution's repository directly onto an Arch system. The concerns are: (1) it is a prebuilt binary blob with only an MD5 checksum (weak integrity guarantee, no GPG signature verification); (2) the host, while official for Ubuntu Kylin, is not a widely audited distribution in the broader Linux ecosystem; (3) the binary is executed/installed directly without source compilation. This constitutes a real supply-chain concern — if the host or the package were compromised, arbitrary code would execute on the user's system. The risk is not clearly malicious but is a genuine medium-severity supply-chain concern due to the prebuilt binary nature and weak checksum-only verification.

PKGBUILD

1 offending line(s) highlighted

      1# Generated by debtap
    
      2# Maintainer: FengYu<abcfy2@163.com>
    
      3pkgname=ukylin-wine
    
      4pkgver=70.6.3.25
    
      5pkgrel=1
    
      6pkgdesc="Base ukylin-wine package. Full description can be found here: https://www.ubuntukylin.com/news/1682-cn.html . Issues and pull request please send to github: https://github.com/abcfy2/ukylin-wine-aur/"
    
      7provides=('ukylin-wine')
    
      8arch=('i686' 'x86_64')
    
      9url="https://www.kylinos.cn"
    
      10license=('proprietary')
    
      11options=('!strip' '!emptydirs')
    
      12install=${pkgname}.install
    
      13source=("http://archive.ubuntukylin.com/software/pool/partner/ukylin-wine_${pkgver}_amd64.deb")
    
      14md5sums=('6edd8e055ea733a3f903150fdf0c19c7')
    
      15depends=('polkit')
    
      16makedepends=('tar')
    
      17
    
      18package() {
    
      19  # Extract package data
    
      20  tar xf data.tar.xz -C "${pkgdir}"
    
      21}
    
      22

Scan history

Scanned at (UTC)	Severity	Rules
2026-09-17 00:27:14	Medium	2
2026-09-16 00:03:17	Medium	2
2026-09-15 00:25:31	Medium	2
2026-09-14 00:27:57	Medium	2
2026-09-13 00:19:54	Medium	2
2026-09-12 00:25:17	Medium	2
2026-09-11 00:19:22	Medium	2
2026-09-10 00:22:44	Medium	2
2026-09-09 00:04:09	Medium	2
2026-09-08 00:18:08	Medium	2
2026-09-07 00:30:15	Medium	2
2026-09-06 00:17:06	Medium	2
2026-09-05 00:16:27	Medium	2
2026-09-04 00:03:13	Medium	2
2026-09-03 00:15:47	Medium	2
2026-09-02 00:02:31	Medium	2
2026-09-01 00:11:19	Medium	2
2026-08-31 00:19:57	Medium	2
2026-08-30 00:04:14	Medium	2
2026-08-29 00:29:17	Medium	2