CVE-2022-32148

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductGo
PublishedAug 10, 2022
First seenAug 10, 2022

How to fix

Update
  • golang go1.17.12, 1.18.4 or later
  • stdlib1.17.12, 1.18.4 or later

Affected products

ProductAffected versionsFixed in
golang gov < 1.17.12, 1.18.0 ≤ v < 1.18.41.17.12, 1.18.4
stdlibGov < 1.17.12, 1.18.0-0 ≤ v < 1.18.41.17.12, 1.18.4

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