In short
- CVE-2022-41721 is a HIGH (CVSS 7.5) vulnerability affecting golang.org/x/net, h2c (golang).
- Chance of exploitation in the next 30 days (EPSS): 1.8%, higher than 78.7% of all vulnerabilities.
- Fix: update to 0.1.1-0.20221104162952-702349b0e862, 2022-11-04 or later.
| Package | Affected versions | Patched versions |
|---|
| golang.org/x/net Go | ≥ 0.0.0-20220524220425-1d687d428aca, < 0.1.1-0.20221104162952-702349b0e862
| 0.1.1-0.20221104162952-702349b0e862
|
| h2c | < 2022-11-04
| 2022-11-04
|
Description
A request smuggling attack is possible when using MaxBytesHandler. When using MaxBytesHandler, the body of an HTTP request is not fully consumed. When the server attempts to read HTTP2 frames from the connection, it will instead be reading the body of the HTTP request, which could be attacker-manipulated to represent arbitrary HTTP2 requests.
Specific Go Packages Affected
golang.org/x/net/http2/h2c
NVD description
A request smuggling attack is possible when using MaxBytesHandler. When using MaxBytesHandler, the body of an HTTP request is not fully consumed. When the server attempts to read HTTP2 frames from the connection, it will instead be reading the body of the HTTP request, which could be attacker-manipulated to represent arbitrary HTTP2 requests.
More vulnerabilities in golang.org/x/net
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