CVE-2021-28927

The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
VendorProductVersion
libretroretroarch
1.9.0 ≤
𝑥
≤ 1.9.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
retroarch
bullseye
1.7.3+dfsg1-1.1
fixed
bookworm
1.14.0+dfsg-1
fixed
sid
1.19.1+dfsg-1
fixed
trixie
1.19.1+dfsg-1
fixed
Common Weakness Enumeration
References
http://libretro.com
http://retroarch.com
https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c
https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0
http://libretro.com
http://retroarch.com
https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c
https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0