CVE-2020-28367

Description

Code injection in the go command with cgo before Go 1.14.12 and Go 1.15.5 allows arbitrary code execution at build time via malicious gcc flags specified via a #cgo directive.

CVSS Metrics

• v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
• v2.0•MEDIUM•Score: 5.1AV:N/AC:H/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.27%• Percentile: 51%

Techniques & Countermeasures

• CWE-94•Improper Control of Generation of Code ('Code Injection')

  The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Affected Systems

• go toolchain•cmd/go

  < 1.14.12 | ≥ 1.15.0-0, < 1.15.5

• golang•go

  < 1.14.12 | ≥ 1.15, < 1.15.5

• Go•toolchain

  ≥ 1.15.0-0, < 1.15.5

References (6)

• https://go.dev/cl/267277
• https://go.googlesource.com/go/+/da7aa86917811a571e6634b45a457f918b8e6561
• https://go.dev/issue/42556
• https://groups.google.com/g/golang-announce/c/NpBGTTmKzpM
• https://pkg.go.dev/vuln/GO-2022-0476
• https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html