CVE-2021-4057

Chrome storage::BlobURLStoreImpl::Revoke Heap Use-After-Free

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Use after free in file API in Google Chrome prior to 96.0.4664.93 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Un uso de memoria previamente liberada en file API en Google Chrome versiones anteriores a 96.0.4664.93, permitía a un atacante remoto que hubiera comprometido el proceso de renderización explotar potencialmente una corrupción de la pila por medio de una página HTML diseñada

Chrome suffers from a heap use-after-free vulnerability in storage::BlobURLStoreImpl::Revoke.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-03 CVE Reserved
2021-12-23 CVE Published
2024-08-03 CVE Updated
2024-09-07 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (5)

URL	Tag	Source
http://packetstormsecurity.com/files/165486/Chrome-storage-BlobURLStoreImpl-Revoke-Heap-Use-After-Free.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744	2023-11-07
https://security.gentoo.org/glsa/202208-25	2023-11-07
https://www.debian.org/security/2022/dsa-5046	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"		Chrome Search vendor "Google" for product "Chrome"				< 96.0.4664.93 Search vendor "Google" for product "Chrome" and version " < 96.0.4664.93"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected