#VU83255 Input validation error in Go programming language - CVE-2023-45283

Vulnerability identifier: #VU83255

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-45283

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Go programming language
Universal components / Libraries / Scripting languages

Vendor: Google

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to the path/filepath package does not recognize paths with a "??" prefix as Root Local Device path prefix. A local user can abuse such behavior and bypass implemented security restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.20 - 1.20.10, 1.21.0 - 1.21.3

---

External links
https://go.dev/issue/63713
https://go.dev/cl/540277
https://groups.google.com/g/golang-announce/c/4tU8LZfBFkY
https://pkg.go.dev/vuln/GO-2023-2185

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?