CVE-2021-36154
gRPC Swift HTTP2ToRawGRPCServerCodec Denial of Service
Description
HTTP2ToRawGRPCServerCodec in gRPC Swift 1.1.1 and earlier allows remote attackers to deny service via the delivery of many small messages within a single HTTP/2 frame, leading to Uncontrolled Recursion and stack consumption.
INFO
Published Date :
July 9, 2021, 12:15 p.m.
Last Modified :
July 13, 2021, 6:06 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-36154.
| URL | Resource |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274 | Mailing List Third Party Advisory |
| https://github.com/grpc/grpc-swift/releases | Release Notes Third Party Advisory |
| https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-36154 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-36154 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jul. 13, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274 Mailing List, Third Party Advisory Changed Reference Type https://github.com/grpc/grpc-swift/releases No Types Assigned https://github.com/grpc/grpc-swift/releases Release Notes, Third Party Advisory Changed Reference Type https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw No Types Assigned https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw Third Party Advisory Added CWE NIST CWE-674 Added CPE Configuration OR *cpe:2.3:a:linuxfoundation:grpc_swift:1.0.0:*:*:*:*:*:*:* *cpe:2.3:a:linuxfoundation:grpc_swift:1.1.0:*:*:*:*:*:*:* *cpe:2.3:a:linuxfoundation:grpc_swift:1.1.1:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-36154 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-36154
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.55 }} 0.07%
score
0.76981
percentile