Denial of Service in gRPC Core
CVE-2023-4785

7.5HIGH

Key Information:

Vendor
Google
Status
gRPC
Vendor
CVE Published:
13 September 2023

Summary

Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected. 

Affected Version(s)

gRPC Posix-compatible platforms 1.56.0 <= 1.56.1

gRPC Posix-compatible platforms 1.55.0 <= 1.55.2

gRPC Posix-compatible platforms 1.54.0 <= 154.2

References

https://github.com/grpc/grpc/pull/33656
https://github.com/grpc/grpc/pull/33667
https://github.com/grpc/grpc/pull/33669

CVSS V3.1

Score:
7.5
Severity:
HIGH
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

Collectors

NVD DatabaseMitre Database
.