CVE Vulnerability

CVE-2021-20234

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1921972 Issue Tracking Patch
https://github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87 Exploit Patch
Configurations

Configuration 1

cpe:2.3:a:zeromq:libzmq:*:*:*:*:*:*:*:*
Information

Published : 2021-04-01 02:15

Updated : 2022-08-05 05:41

NVD link : CVE-2021-20234

Mitre link : CVE-2021-20234

Products Affected
No products.
CWE
CWE-401