CVE-2020-28248

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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/gemini-testing/png-img/commit/14ac462a32ca4b3b78f56502ac976d5b0222ce3d	Patch Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-142-gemini-png-img	Exploit Third Party Advisory
https://github.com/gemini-testing/png-img	Product
https://github.com/gemini-testing/png-img/compare/v3.0.0...v3.1.0	Release Notes Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:png-img_project:png-img:*:*:*:*:*:*:*:*

Information

Published : 2021-02-19 16:15

Updated : 2021-07-21 04:39

NVD link : CVE-2020-28248

Mitre link : CVE-2020-28248

JSON object : View

CWE

CWE-787

Out-of-bounds Write

CWE-190

Integer Overflow or Wraparound

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Products Affected

png-img_project

png-img

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