SARA / Free Tools / CVE / CVE-2023-29405

CVE-2023-29405 — The go command may execute arbitrary code at build time when using cgo

The go command may execute arbitrary code at build time when using cgo. This may occur when running "go get" on a malicious module, or when running any other command which builds untrusted code. This is can by triggered by linker flags, specified via a "#cgo LDFLAG

CVSS
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EPSS
0.33% (top 44.80%)
CWE
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Published
2023-06-08T20:19:19.267Z
Last modified
2025-01-06T19:44:24.568Z
CVSS vector
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01What is this vulnerability?

The go command may execute arbitrary code at build time when using cgo. This may occur when running "go get" on a malicious module, or when running any other command which builds untrusted code. This is can by triggered by linker flags, specified via a "#cgo LDFLAGS" directive. Flags containing embedded spaces are mishandled, allowing disallowed flags to be smuggled through the LDFLAGS…

02Affected products

VendorProductVersions
Go toolchaincmd/go0, 1.20.0-0
Go toolchaincmd/cgo0, 1.20.0-0

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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