Go HTTP Client Host Header Injection Vulnerability
CVE-2023-29406 Published on July 11, 2023
Insufficient sanitization of Host header in net/http
The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.
Products Associated with CVE-2023-29406
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Affected Versions
Go standard library net/http:- Before 1.19.11 is affected.
- Version 1.20.0-0 and below 1.20.6 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.