CVE-2022-30634

Public Exploit
Indefinite hang with large buffers on Windows in crypto/rand

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Third-Party Advisory google.com Third-Party Advisory go.dev
Affected: Go standard library crypto/rand
Published at:
Updated at:

References

Link Tags
https://go.dev/cl/402257 patch
https://go.googlesource.com/go/+/bb1f4416180511231de6d17a1f2f55c82aafc863 mailing list patch
https://go.dev/issue/52561 issue tracking exploit
https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ third party advisory mailing list
https://pkg.go.dev/vuln/GO-2022-0477 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-30634?
CVE-2022-30634 has been scored as a high severity vulnerability.
How to fix CVE-2022-30634?
To fix CVE-2022-30634, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-30634 being actively exploited in the wild?
It is possible that CVE-2022-30634 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-30634?
CVE-2022-30634 affects Go standard library crypto/rand.
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