VulnerabilityModified
CVE-2023-4785
Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server.
HIGH 7.5EPSS 0.67%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.67% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-248
- Affected
- grpc/grpc
- Source
- cve-coordination@google.com
References
- https://github.com/grpc/grpc/pull/33656Issue Tracking, Patch
- https://github.com/grpc/grpc/pull/33667Issue Tracking
- https://github.com/grpc/grpc/pull/33669Issue Tracking
- https://github.com/grpc/grpc/pull/33670Issue Tracking
- https://github.com/grpc/grpc/pull/33672Issue Tracking
- https://github.com/grpc/grpc/pull/33656Issue Tracking, Patch
- https://github.com/grpc/grpc/pull/33667Issue Tracking
- https://github.com/grpc/grpc/pull/33669Issue Tracking
- https://github.com/grpc/grpc/pull/33670Issue Tracking
- https://github.com/grpc/grpc/pull/33672Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.