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CVE-2023-4785

HIGH
Published 2023-09-13T16:31:55.664Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.029
Higher than 2.9% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

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. 

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Google

gRPC

Affected Versions:

0 1.57 1.56.0 1.55.0 1.54.0 1.53.0
grpc

grpc

Affected Versions:

0 1.57 1.56.0 1.55.0 1.54.0 1.53.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Denial of Service Vulnerability in gRPC TCP Server (Posix-compatible platforms)

GHSA-p25m-jpj4-qcrr

Advisory Details

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 Packages

RubyGems grpc
ECOSYSTEM: ≥1.56.0 <1.56.2
RubyGems grpc
ECOSYSTEM: ≥1.55.0 <1.55.3
RubyGems grpc
ECOSYSTEM: ≥1.54.0 <1.54.3
RubyGems grpc
ECOSYSTEM: ≥1.53.0 <1.53.2
PyPI grpcio
ECOSYSTEM: ≥1.55.0 <1.55.3
PyPI grpcio
ECOSYSTEM: ≥1.54.0 <1.54.3
PyPI grpcio
ECOSYSTEM: ≥1.53.0 <1.53.2

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-4785
WEB https://github.com/grpc/grpc/pull/33656
WEB https://github.com/grpc/grpc/pull/33667
WEB https://github.com/grpc/grpc/pull/33669
WEB https://github.com/grpc/grpc/pull/33670
WEB https://github.com/grpc/grpc/pull/33672
WEB https://github.com/rubysec/ruby-advisory-db/blob/master/gems/grpc/CVE-2023-4785.yml
WEB https://groups.google.com/g/grpc-io/c/LlLkB1CeE4U
WEB https://rubygems.org/gems/grpc/versions/1.53.2
WEB https://rubygems.org/gems/grpc/versions/1.54.3
WEB https://rubygems.org/gems/grpc/versions/1.55.3
WEB https://rubygems.org/gems/grpc/versions/1.56.2

Advisory provided by GitHub Security Advisory Database. Published: September 13, 2023, Modified: April 22, 2024

References

https://github.com/grpc/grpc/pull/33656
https://github.com/grpc/grpc/pull/33667
https://github.com/grpc/grpc/pull/33669
https://github.com/grpc/grpc/pull/33670
https://github.com/grpc/grpc/pull/33672
Published: 2023-09-13T16:31:55.664Z
Last Modified: 2024-09-25T18:05:52.337Z
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