Skip to content

Integer Overflow in png-img

High severity GitHub Reviewed Published Dec 10, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

npm png-img (npm)

Affected versions

< 3.1.0

Patched versions

3.1.0

Description

An integer overflow in the PngImg::InitStorage_() function of png-img before 3.1.0 leads to an under-allocation of heap memory and subsequently an exploitable heap-based buffer overflow when loading a crafted PNG file.

References

Published by the National Vulnerability Database Feb 20, 2021
Reviewed Jul 26, 2021
Published to the GitHub Advisory Database Dec 10, 2021
Last updated Feb 1, 2023

Severity

High
8.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2020-28248

GHSA ID

GHSA-q5wr-fvpq-p67g

Source code

No known source code
Checking history
See something to contribute? Suggest improvements for this vulnerability.