CVE-2023-39323: Arbitrary code execution during build via line directives in cmd/go
First published: Thu Oct 05 2023(Updated: )
Last updated 14 November 2024
Credit: security@golang.org security@golang.org security@golang.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Golang Go | <1.20.9 | |
| Golang Go | >=1.21.0<1.21.2 | |
| Fedoraproject Fedora | =37 | |
| Fedoraproject Fedora | =38 | |
| Fedoraproject Fedora | =39 | |
| debian/golang-1.15 | <=1.15.15-1~deb11u4 | |
| debian/golang-1.19 | <=1.19.8-2 |
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Reference Links
- https://go.dev/cl/533215
- https://go.dev/issue/63211
- https://groups.google.com/g/golang-announce/c/XBa1oHDevAo
- https://pkg.go.dev/vuln/GO-2023-2095
- https://security.netapp.com/advisory/ntap-20231020-0001/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/
- https://security.gentoo.org/glsa/202311-09
- https://launchpad.net/bugs/cve/CVE-2023-39323
- https://github.com/golang/go/commit/2ddfc04d12da7028334ab4f8effbc3a78b92d9d2
- https://github.com/golang/go/commit/31d5b604ac0adb58aec4870ac1b974c08312fd49
- https://security-tracker.debian.org/tracker/CVE-2023-39323
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-39323
- https://nvd.nist.gov/vuln/detail/CVE-2023-39323
- https://ubuntu.com/security/CVE-2023-39323
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2023-39323.
What is the severity level of CVE-2023-39323?
CVE-2023-39323 has a severity level of critical.
How can line directives be used to bypass restrictions on go:cgo_ directives?
Line directives ("//line") can be used to bypass the restrictions on "//go:cgo_" directives by allowing blocked linker and compiler flags to be passed during compilation.
What software is affected by CVE-2023-39323?
Golang Go versions up to and including 1.20.9, as well as version 1.21.0 up to but excluding 1.21.2, are affected by CVE-2023-39323.
How can I fix CVE-2023-39323?
To fix CVE-2023-39323, it is recommended to update Golang Go to a version that is not affected by the vulnerability.
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