CVE-2022-1705

MEDIUM6.5

Improper sanitization of Transfer-Encoding headers in net/http

Published Aug 9, 2022

Modified 1 weeks ago

Details

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.

References

WEB

https://go.dev/cl/409874

WEB

https://go.dev/cl/410714

WEB

https://go.dev/issue/53188

WEB

https://go.googlesource.com/go/+/e5017a93fcde94f09836200bca55324af037ee5f

WEB

https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE

WEB

https://pkg.go.dev/vuln/GO-2022-0525

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2022-1705

CVSS Analysis

CVSS v3.1

6.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

LowI:L

Availability

NoneA:N

6.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Ecosystems

Timeline

PublishedAug 9, 2022

ModifiedMar 6, 2026