[manjaro-security] [ASA-202104-7] chromium: multiple issues

[Santiago Torres-Arias via arch-security]

Arch Linux Security Advisory ASA-202104-7
=========================================

Severity: High
Date    : 2021-04-29
CVE-ID  : CVE-2021-21222 CVE-2021-21223 CVE-2021-21224 CVE-2021-21225
          CVE-2021-21226
Package : chromium
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1843

Summary
=======

The package chromium before version 90.0.4430.85-1 is vulnerable to
multiple issues including arbitrary code execution and sandbox escape.

Resolution
==========

Upgrade to 90.0.4430.85-1.

# pacman -Syu "chromium>=90.0.4430.85-1"

The problems have been fixed upstream in version 90.0.4430.85.

Workaround
==========

None.

Description
===========

- CVE-2021-21222 (sandbox escape)

Heap buffer overflow in V8 in Google Chrome prior to 90.0.4430.85
allowed a remote attacker who had compromised the renderer process to
bypass site isolation via a crafted HTML page.

- CVE-2021-21223 (sandbox escape)

Integer overflow in Mojo in Google Chrome prior to 90.0.4430.85 allowed
a remote attacker who had compromised the renderer process to
potentially perform a sandbox escape via a crafted HTML page.

- CVE-2021-21224 (arbitrary code execution)

Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a
remote attacker to execute arbitrary code inside a sandbox via a
crafted HTML page. Google is aware of reports that exploits for this
issue exist in the wild.

- CVE-2021-21225 (arbitrary code execution)

Out of bounds memory access in V8 in Google Chrome prior to
90.0.4430.85 allowed a remote attacker to potentially exploit heap
corruption via a crafted HTML page.

- CVE-2021-21226 (sandbox escape)

Use after free in navigation in Google Chrome prior to 90.0.4430.85
allowed a remote attacker who had compromised the renderer process to
potentially perform a sandbox escape via a crafted HTML page.

Impact
======

An attacker can escape the site isolation sandbox through a compromised
rendered process. In addition, an attacker can execute arbitrary code
and escape the sandbox through a crafted HTML page.

References
==========

https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_20.html
https://crbug.com/1194046
https://crbug.com/1195308
https://crbug.com/1195777
https://crbug.com/1195977
https://crbug.com/1197904
https://security.archlinux.org/CVE-2021-21222
https://security.archlinux.org/CVE-2021-21223
https://security.archlinux.org/CVE-2021-21224
https://security.archlinux.org/CVE-2021-21225
https://security.archlinux.org/CVE-2021-21226

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