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Name
CVE-2024-7246
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
6.3
CVSSv4
5.3
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
grpc (yocto:scarthgap)
#
Title
Author
Resolve
1
[v1.60] [chttp2] Fix a bug in hpack error handling (#37361)
Craig Tiller <ctiller@google.com>
CVE-2024-7246
python3-grpcio (yocto:scarthgap)
#
Title
Author
Resolve
1
[v1.62] [chttp2] Fix a bug in hpack error handling (#37363)
Craig Tiller <ctiller@google.com>
CVE-2024-7246