critical
9.8
CWE
74 88
Advisory Published
Updated

CVE-2023-29405: Improper sanitization of LDFLAGS with embedded spaces in go command with cgo in cmd/go

First published: Thu Jun 08 2023(Updated: )

Golang Go could allow a remote attacker to execute arbitrary code on the system, caused by a flaw when running "go get" on a malicious module. By sending a specially crafted request using linker flags, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Credit: security@golang.org security@golang.org security@golang.org

Affected SoftwareAffected VersionHow to fix
Golang Go<1.19.10
Golang Go>=1.20.0<1.20.5
Fedoraproject Fedora=38
redhat/go<1.20.5
1.20.5
redhat/go<1.19.10
1.19.10
IBM Cloud Pak for Business Automation<=V23.0.1 - V23.0.1-IF002
IBM Cloud Pak for Business Automation<=V21.0.3 - V21.0.3-IF024
IBM Cloud Pak for Business Automation<=V22.0.2 - V22.0.2-IF006 and later fixesV22.0.1 - V22.0.1-IF006 and later fixesV21.0.2 - V21.0.2-IF012 and later fixesV21.0.1 - V21.0.1-IF007 and later fixesV20.0.1 - V20.0.3 and later fixesV19.0.1 - V19.0.3 and later fixesV18.0.0 - V18.0.2 and later fixes
debian/golang-1.15<=1.15.15-1~deb11u4
debian/golang-1.19<=1.19.8-2

Remedy

https://go.dev/cl/501224

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-29405?

    CVE-2023-29405 is a vulnerability in the go command that allows for the execution of arbitrary code at build time when using cgo.

  • How does CVE-2023-29405 occur?

    CVE-2023-29405 can occur when running "go get" on a malicious module or any other command that builds untrusted code, triggered by linker flags specified via a "#cgo LDFLAGS" directive.

  • Which software versions are affected by CVE-2023-29405?

    Versions of the go command up to version 1.19.10, versions 1.20.0 to 1.20.5, and Fedora version 38 are affected by CVE-2023-29405.

  • What is the severity of CVE-2023-29405?

    CVE-2023-29405 has a severity rating of 9.8, which is considered critical.

  • How can I fix CVE-2023-29405?

    To fix CVE-2023-29405, it is recommended to update to a version of the go command that is not affected by the vulnerability.

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