CVE-2022-30629

Public Exploit
Session tickets lack random ticket_age_add in crypto/tls

Description

Non-random values for ticket_age_add in session tickets in crypto/tls before Go 1.17.11 and Go 1.18.3 allow an attacker that can observe TLS handshakes to correlate successive connections by comparing ticket ages during session resumption.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory go.dev Vendor Advisory google.com Vendor Advisory go.dev
Affected: Go standard library crypto/tls
Published at:
Updated at:

References

Link Tags
https://go.dev/cl/405994 patch
https://go.googlesource.com/go/+/fe4de36198794c447fbd9d7cc2d7199a506c76a5 mailing list patch
https://go.dev/issue/52814 issue tracking exploit vendor advisory
https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ mailing list vendor advisory
https://pkg.go.dev/vuln/GO-2022-0531 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-30629?
CVE-2022-30629 has been scored as a low severity vulnerability.
How to fix CVE-2022-30629?
To fix CVE-2022-30629, 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-2022-30629 being actively exploited in the wild?
It is possible that CVE-2022-30629 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-2022-30629?
CVE-2022-30629 affects Go standard library crypto/tls.
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