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MitreCVE-2020-28248

HistoryFeb 20, 2021 - 12:15 a.m.

CVE-2020-28248

2021-02-2000:15:12

CWE-787

CWE-190

mitre

web.nvd.nist.gov

cve-2020-28248

integer overflow

pngimg

initstorage

png-img

heap memory

buffer overflow

png file

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.8

Confidence

High

EPSS

0.005

Percentile

75.2%

JSON

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.

Affected configurations

Nvd

Node

png-img_projectpng-imgRange<3.1.0

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

Vendor	Product	Version	CPE
png-img_project	png-img	*	cpe:2.3:a:png-img_project:png-img::::::::

References

github.com/gemini-testing/png-img

github.com/gemini-testing/png-img/commit/14ac462a32ca4b3b78f56502ac976d5b0222ce3d

github.com/gemini-testing/png-img/compare/v3.0.0...v3.1.0

securitylab.github.com/advisories/GHSL-2020-142-gemini-png-img

Social References

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.8

Confidence

High

EPSS

0.005

Percentile

75.2%

JSON

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