Privilege escalation in Go programming language



Published: 2022-11-17
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-41716
CWE-ID CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		Go programming language
Universal components / Libraries / Scripting languages

Vendor Google

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU69405

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-41716

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary OS commands on the system.

The vulnerability exists due to insecure processing of unsanitized NUL values in syscall.StartProcess and os/exec.Cmd. A local user on the Windows operating system can set a specially crafted environment variable and execute arbitrary OS commands on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.19 - 1.19.2, 1.18 - 1.18.7

CPE2.3 External links

http://go.dev/cl/446916
http://pkg.go.dev/vuln/GO-2022-1095
http://go.dev/issue/56284
http://groups.google.com/g/golang-announce/c/mbHY1UY3BaM/m/hSpmRzk-AgAJ

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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