En resumen
- CVE-2022-41721 es una vulnerabilidad ALTO (CVSS 7.5) que afecta a golang.org/x/net, h2c (golang).
- Probabilidad de explotación en los próximos 30 días (EPSS): 1.8%, mayor que el 78.7% de las vulnerabilidades.
- Solución: actualizar a 0.1.1-0.20221104162952-702349b0e862, 2022-11-04 o posterior.
| 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.
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