CVE-2022-32148
Improper exposure of client IP addresses in net/http before Go 1.17.12 and Go 1.18.4 can be triggered by calling httputil.ReverseProxy.ServeHTTP with a Request.Header map containing a nil value for the X-Forwarded-For header, which causes ReverseProxy…
Does this matter?
Lower severity and a low EPSS score (1.35%). Track it; it rarely justifies an emergency change on its own.
Description
Improper exposure of client IP addresses in net/http before Go 1.17.12 and Go 1.18.4 can be triggered by calling httputil.ReverseProxy.ServeHTTP with a Request.Header map containing a nil value for the X-Forwarded-For header, which causes ReverseProxy to set the client IP as the value of the X-Forwarded-For header.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 1.35% probability · 70th percentile
- CISA KEV
- Not listed
- Affected
- golang/go
- Source
- security@golang.org
References
- https://go.dev/cl/412857Patch
- https://go.dev/issue/53423Exploit, Issue Tracking, Third Party Advisory
- https://go.googlesource.com/go/+/b2cc0fecc2ccd80e6d5d16542cc684f97b3a9c8aMailing List, Patch
- https://groups.google.com/g/golang-announce/c/nqrv9fbR0zEMailing List, Release Notes
- https://pkg.go.dev/vuln/GO-2022-0520Vendor Advisory
- https://go.dev/cl/412857Patch
- https://go.dev/issue/53423Exploit, Issue Tracking, Third Party Advisory
- https://go.googlesource.com/go/+/b2cc0fecc2ccd80e6d5d16542cc684f97b3a9c8aMailing List, Patch
- https://groups.google.com/g/golang-announce/c/nqrv9fbR0zEMailing List, Release Notes
- https://pkg.go.dev/vuln/GO-2022-0520Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.