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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.27% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- libretro/retroarch
- Source
- cve@mitre.org
References
- https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.cPatch, Third Party Advisory
- https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0Exploit, Third Party Advisory
- https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.cPatch, Third Party Advisory
- https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.