Denial-of-Service in gRPC
CVE-2023-32732

5.3MEDIUM

Key Information:

Vendor

Google
Status
Grpc
Vendor
CVE Published:
9 June 2023

What is CVE-2023-32732?

gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for -bin suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in  https://github.com/grpc/grpc/pull/32309 https://www.google.com/url

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Affected Version(s)

gRPC 1.53 < 1.54

References

https://github.com/grpc/grpc/pull/32309
https://lists.fedoraproject.org/archives/list/package-ann...
https://lists.fedoraproject.org/archives/list/package-ann...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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