CVE-2021-28927

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.26%
Vendor Advisory libretro.com Vendor Advisory retroarch.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://libretro.com vendor advisory exploit
http://retroarch.com product vendor advisory
https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c third party advisory patch
https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-28927?
CVE-2021-28927 has been scored as a high severity vulnerability.
How to fix CVE-2021-28927?
To fix CVE-2021-28927, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-28927 being actively exploited in the wild?
It is possible that CVE-2021-28927 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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