CVE-2020-23884 : A buffer overflow in Nomacs v3.15.0 allows attackers to cause a denial of servic

A buffer overflow in Nomacs v3.15.0 allows attackers to cause a denial of service (DoS) via a crafted MNG file.

Published 2021-11-10 22:15:10

Updated 2021-11-12 21:54:51

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowDenial of service

Products affected by CVE-2020-23884

Nomacs » Nomacs » Version: 3.15.0
cpe:2.3:a:nomacs:nomacs:3.15.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.38%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 57 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

Assigned by: nvd@nist.gov (Primary)

https://github.com/nomacs/nomacs/issues/516

Open a malformed mng format file, buffer overflow and memory corruption will occur. · Issue #516 · nomacs/nomacs · GitHub
Exploit;Third Party Advisory
https://nomacs.org/

nomacs | Image Lounge
Vendor Advisory
https://github.com/Aurorainfinity/vulnerabilities/blob/master/nomacs/readme.md

Page not found · GitHub · GitHub
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