Vulnerability Details : 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.
Vulnerability category: Execute code
Products affected by CVE-2021-28927
- cpe:2.3:a:libretro:retroarch:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28927
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28927
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-28927
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28927
-
https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c
RetroArch/platform_win32.c at d3dc3ee989ec6a4903c689907ffc47027f71f776 · libretro/RetroArch · GitHubPatch;Third Party Advisory
-
http://libretro.com
Exploit;Vendor Advisory
-
http://retroarch.com
RetroArchProduct;Vendor Advisory
-
https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0
RetroArch for Windows - Versions 1.9.0 - 1.9.4Exploit;Third Party Advisory
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