PT-2021-7878 · Google+1 · Google Chrome+1

Published 2021-09-13 · Updated 2023-08-12 · CVE-2021-4319

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 93.0.4577.82

Description The issue is related to a use after free in Blink, allowing a remote attacker to perform arbitrary read/write via a crafted HTML page. This can potentially bypass existing security restrictions.

Recommendations For versions prior to 93.0.4577.82, update to version 93.0.4577.82 or later to resolve the issue. As a temporary workaround, consider restricting the use of crafted HTML pages until a patch is applied.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2023-04404

CVE-2021-4319

DSA-5046-1

Affected Products

Astra Linux

Google Chrome

References · 15

• 🔥 https://github.com/ZeusBox/CVE-2021-37980 · Exploit
• 🔥 https://github.com/SpiralBL0CK/Chrome-V8-RCE-CVE-2021-38003 · Exploit
• 🔥 https://github.com/Peterpan0927/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥 https://github.com/maldiohead/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥 https://crbug.com/1214199 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-4319 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-4319 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-4319 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5046-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-4319 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-04404 · Security Note
• https://t.me/cvenotify/55549 · Telegram Post
• https://t.me/cibsecurity/67407 · Telegram Post