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CVE-2023-39323

UNKNOWN
Published 2023-10-05T20:36:58.756Z
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No CVSS data available

Description

Line directives ("//line") can be used to bypass the restrictions on "//go:cgo_" directives, allowing blocked linker and compiler flags to be passed during compilation. This can result in unexpected execution of arbitrary code when running "go build". The line directive requires the absolute path of the file in which the directive lives, which makes exploiting this issue significantly more complex.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Go toolchain

cmd/go

Affected Versions:

0 1.21.0-0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-679v-hh23-h5jh

Advisory Details

Line directives ("//line") can be used to bypass the restrictions on "//go:cgo_" directives, allowing blocked linker and compiler flags to be passed during compilation. This can result in unexpected execution of arbitrary code when running "go build". The line directive requires the absolute path of the file in which the directive lives, which makes exploiting this issue significantly more complex.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-39323
WEB https://go.dev/cl/533215
WEB https://go.dev/issue/63211
WEB https://groups.google.com/g/golang-announce/c/XBa1oHDevAo
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2
WEB https://pkg.go.dev/vuln/GO-2023-2095
WEB https://security.gentoo.org/glsa/202311-09
WEB https://security.netapp.com/advisory/ntap-20231020-0001

Advisory provided by GitHub Security Advisory Database. Published: October 5, 2023, Modified: June 12, 2025

References

https://go.dev/issue/63211
https://go.dev/cl/533215
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/[email protected]/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/
https://lists.fedoraproject.org/archives/list/[email protected]/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/
https://lists.fedoraproject.org/archives/list/[email protected]/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/
https://security.gentoo.org/glsa/202311-09
Published: 2023-10-05T20:36:58.756Z
Last Modified: 2025-02-13T17:02:49.699Z
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