CVE-2022-1705

Public Exploit
Improper sanitization of Transfer-Encoding headers in net/http

Description

Acceptance of some invalid Transfer-Encoding headers in the HTTP/1 client in net/http before Go 1.17.12 and Go 1.18.4 allows HTTP request smuggling if combined with an intermediate server that also improperly fails to reject the header as invalid.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory go.dev Vendor Advisory go.dev Vendor Advisory go.dev Vendor Advisory googlesource.com Vendor Advisory google.com Vendor Advisory go.dev
Affected: Go standard library net/http
Published at:
Updated at:

References

Link Tags
https://go.dev/cl/409874 patch vendor advisory
https://go.googlesource.com/go/+/e5017a93fcde94f09836200bca55324af037ee5f patch vendor advisory
https://go.dev/issue/53188 issue tracking patch vendor advisory exploit
https://go.dev/cl/410714 patch vendor advisory
https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE release notes vendor advisory
https://pkg.go.dev/vuln/GO-2022-0525 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-1705?
CVE-2022-1705 has been scored as a medium severity vulnerability.
How to fix CVE-2022-1705?
To fix CVE-2022-1705, 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-2022-1705 being actively exploited in the wild?
It is possible that CVE-2022-1705 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-2022-1705?
CVE-2022-1705 affects Go standard library net/http.
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