CVE-2022-41716

Unsanitized NUL in environment variables on Windows in syscall and os/exec

Description

Due to unsanitized NUL values, attackers may be able to maliciously set environment variables on Windows. In syscall.StartProcess and os/exec.Cmd, invalid environment variable values containing NUL values are not properly checked for. A malicious environment variable value can exploit this behavior to set a value for a different environment variable. For example, the environment variable string "A=B\x00C=D" sets the variables "A=B" and "C=D".

7.5

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.01%

Vendor Advisory go.dev Vendor Advisory go.dev Vendor Advisory google.com Vendor Advisory go.dev

Affected: Go standard library syscall

Affected: Go standard library os/exec

References

Link	Tags
https://go.dev/issue/56284	patch vendor advisory issue tracking
https://go.dev/cl/446916	patch vendor advisory
https://groups.google.com/g/golang-announce/c/mbHY1UY3BaM/m/hSpmRzk-AgAJ	patch vendor advisory release notes
https://pkg.go.dev/vuln/GO-2022-1095	vendor advisory
https://security.netapp.com/advisory/ntap-20230120-0007/

Frequently Asked Questions

What is the severity of CVE-2022-41716?: CVE-2022-41716 has been scored as a high severity vulnerability.
How to fix CVE-2022-41716?: To fix CVE-2022-41716, 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-2022-41716 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-41716 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-41716?: CVE-2022-41716 affects Go standard library syscall, Go standard library os/exec.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.