Indefinite hang with large buffers on Windows in crypto/rand

高危 7.5CVE-2022-30634 · BIT-golang-2022-30634 · GO-2022-0477 · Published 15/07/2022 · updated 17/06/2026

要点

CVE-2022-30634 是影响 stdlib, go (golang) 的高危 (CVSS 7.5)漏洞。
未来 30 天内被利用的概率（EPSS）：2.3%，高于 83.1% 的漏洞。
修复：升级到 1.18.3, 1.17.11 或更高版本。

Package	Affected versions	Patched versions
stdlib Go	`≥ 1.18.0-0, < 1.18.3< 1.17.11`	`1.18.31.17.11`
go golang	`≥ 1.18.0, < 1.18.3< 1.17.11`	`1.18.31.17.11`

Description

On Windows, rand.Read will hang indefinitely if passed a buffer larger than 1 << 32 - 1 bytes.

NVD description

Infinite loop in Read in crypto/rand before Go 1.17.11 and Go 1.18.3 on Windows allows attacker to cause an indefinite hang by passing a buffer larger than 1 << 32 - 1 bytes.

References

go.dev/cl/402257 · FIX
go.googlesource.com/go/+/bb1f4416180511231de6d17a1f2f55c82aafc863 · FIX
go.dev/issue/52561 · REPORT
groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ · WEB
pkg.go.dev/vuln/GO-2022-0477 · Third Party Advisory

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Package

Affected versions

Patched versions

stdlib

≥ 1.18.0-0, < 1.18.3< 1.17.11

1.18.31.17.11

golang

≥ 1.18.0, < 1.18.3< 1.17.11

1.18.31.17.11

stdlib 的其他漏洞

查看全部 →