CVE-2021-20234
ZeroMQ Client Uncontrollable Resource Consumption Vulnerability
Description
An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability.
INFO
Published Date :
April 1, 2021, 2:15 p.m.
Last Modified :
Aug. 5, 2022, 5:41 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
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-2021-20234.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1921972 | Issue Tracking Patch Third Party Advisory |
| https://github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87 | Exploit Patch 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-2021-20234 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20234 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 -
Reanalysis by [email protected]
Aug. 05, 2022
Action Type Old Value New Value Added CWE NIST CWE-401 -
Initial Analysis by [email protected]
Apr. 05, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1921972 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1921972 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87 No Types Assigned https://github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87 Exploit, Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:zeromq:libzmq:*:*:*:*:*:*:*:* versions up to (excluding) 4.3.3
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20234 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-2021-20234
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.01%
score
0.40363
percentile