Vulnerability in Golang Go
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 to set the client IP as the value of the X-Forwarded-For header.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.013 (70.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.013 · change: -0.000
Affected products
- Golang Go
- Go Standard Library Net/http — versions 0, 1.18.0-0
Public proof-of-concept exploits
References
- go.dev/cl/412857 (Patch)
- go.googlesource.com/go/+/b2cc0fecc2ccd80e6d5d16542cc684f97b3a9c8a (Patch, Mailing List)
- go.dev/issue/53423 (Exploit, Third Party Advisory, Issue Tracking)
- groups.google.com/g/golang-announce/c/nqrv9fbR0zE (Mailing List, Release Notes)
- pkg.go.dev/vuln/GO-2022-0520 (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-32148?
- CVE-2022-32148 is a medium-severity vulnerability in Golang Go, classified under CWE-200: INFORMATION EXPOSURE. CVSS score: 6.5/10. Published 2022-08-10.
- How severe is CVE-2022-32148?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-32148 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.