SARA / Free Tools / CVE / CVE-2022-41716

CVE-2022-41716 — Due to unsanitized NUL values, attackers may be able to maliciously set environm

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 ex

CVSS
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EPSS
0.01% (top 97.90%)
CWE
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Published
2022-11-02T15:28:19.574Z
Last modified
2024-10-30T13:59:43.967Z
CVSS vector
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01What is this vulnerability?

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…

02Affected products

VendorProductVersions
Go standard librarysyscall0, 1.19.0-0
Go standard libraryos/exec0, 1.19.0-0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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