CVE-2020-36400

ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read, a different vulnerability than CVE-2021-20235.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

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CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306	Patch Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042	Issue Tracking Mailing List Patch Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:zeromq:libzmq:4.3.3:*:*:*:*:*:*:*

Information

Published : 2021-06-30 20:15

Updated : 2021-07-06 04:41

NVD link : CVE-2020-36400

Mitre link : CVE-2020-36400

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Products Affected

zeromq

libzmq

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