cve-2023-32731
Vulnerability from cvelistv5
Published
2023-06-09 10:54
Modified
2024-09-26 19:12
Severity ?
7.4 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
Summary
When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in  https://github.com/grpc/grpc/pull/33005 https://github.com/grpc/grpc/pull/33005
References
cve-coordination@google.comhttps://github.com/grpc/grpc/pull/32309Patch
cve-coordination@google.comhttps://github.com/grpc/grpc/pull/33005Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/grpc/grpc/pull/32309Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/grpc/grpc/pull/33005Patch
Impacted products
Vendor Product Version
Google gRPC Version: 1.53   <
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