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Security Advisories

CVE-2024-7246

NVD

https://nvd.nist.gov/vuln/detail/CVE-2024-7246

Severity

5.3

Medium

CVSS V3

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Description

It's possible for a gRPC client communicating with a HTTP/2 proxy to poison the HPACK table between the proxy and the backend such that other clients see failed requests. It's also possible to use this vulnerability to leak other clients HTTP header keys, but not values.

This occurs because the error status for a misencoded header is not cleared between header reads, resulting in subsequent (incrementally indexed) added headers in the first request being poisoned until cleared from the HPACK table.

Please update to a fixed version of gRPC as soon as possible. This bug has been fixed in 1.58.3, 1.59.5, 1.60.2, 1.61.3, 1.62.3, 1.63.2, 1.64.3, 1.65.4.

References

  • https://nvd.nist.gov/vuln/detail/CVE-2024-7246
  • https://github.com/advisories/GHSA-ghwg-gpp4-w4x3
  • https://github.com/grpc/grpc/issues/36245

Affected packages

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