by @Smartkeyss
14 Feb 2024

Zero Day WebP vulnerability (CVE-2023-4863)

by @Smartkeyss
14 Feb 2024

Zero Day WebP vulnerability (CVE-2023-4863)

CVEs

8.8 High Severity

OS

22.04.*
2.5.3-3.*
2.5.3-16.*
2.5.2-1.*
*.*
2.1.8.8.p3-1.1.*
10.10.*
3.0.23.*
12.4.*
3.0.18.*
Fedora
FedoraFedoraproject
41.0.1.0.*
40.0.0.0.*
*.*
3334.*
37.*
30.*
40.*
38.*
28.*
31.*

Apps

115.24.0.*
128.11.0.*
115.23.1.*
128.10.1.*
115.23.0.*
128.10.0.*
115.22.0.*
115.21.1.*
128.8.1.*
128.9.0.*
Firefox
FirefoxMozilla
97.3.0.*
140.0.4.0.*
140.0.4.*
128.12.0-1.*
140.0.2.0.*
140.0.2.*
140.0.1.0.*
140.0.1.*
115.25.0.*
139.0.4.0.*
128.12.0.0.*
140.0.1.*
128.11.1.0.*
128.11.1.*
139.0.2.*
128.12.0.*
128.11.0.*
128.10.2.0.*
128.10.2.*
138.0.2.*
Chrome
ChromeGoogle
140.0.7288.0.*
140.0.7287.0.*
140.0.7286.0.*
140.0.7285.0.*
139.0.7258.31.*
140.0.7285.1.*
140.0.7284.0.*
138.0.7204.101.*
138.0.7204.94.*
138.0.7204.98.*
Edge
EdgeMicrosoft
140.0.3421.*
138.0.3351.77.*
139.0.3405.*
138.0.3351.65.*
139.0.3394.*
139.0.3380.*
139.0.3365.*
138.0.3351.*
138.0.3338.*
138.0.3324.*
L
LibwebpWebmproject
*.*
0.5.1.*
1.2.2.RC1
1.2.2.-
1.2.2.RC2
1.2.3.-
1.2.3.RC1
1.2.1.RC2
1.2.1.-
1.2.0.-

Screenshots from the blog posts

images/clsev7h0q8f5t1hon57nu44i3.pngimages/clsev7h0q8f5t1hon57nu44i3.png
images/clsdn1n7o5jos1hon00qpd5mv.jpgimages/clsdn1n7o5jos1hon00qpd5mv.jpg
images/clsev8cob8f9a1hon6t6bbjjt.jpgimages/clsev8cob8f9a1hon6t6bbjjt.jpg

Summary

CVE-2023-4863 (CVSS score: 8.8), also known as the heap buffer overflow in Chrome libWebP, is a client-side vulnerability. This means that the end user of the affected application is at risk. The vulnerability arises from an exploitation involving the writing of more data to a dynamically allocated memory space (heap buffer) than it can hold, using crafted HTML. This vulnerability could lead to a crash or enable the exploiter to execute arbitrary code on the end user's system. 

Description

users/photos/clsevlral8gef1hon15grbvup.jpg

@Smartkeyss

63 posts

I am just curious 😊 I use simple words to explain complicated things.

Total vcoins

99.8K

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