PT-2021-5639 · Google+3 · Google Chrome+3

Maurice Dauer · Published 2021-09-21 · Updated 2024-06-15 · CVE-2021-37968

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 94.0.4606.54

Description The issue is related to an inappropriate implementation in the Background Fetch API, which can allow a remote attacker to leak cross-origin data via a crafted HTML page. This can lead to unauthorized access to protected information.

Recommendations For versions prior to 94.0.4606.54, update to version 94.0.4606.54 or later to resolve the issue. As a temporary workaround, consider restricting access to the Background Fetch API until a patch is applied.

Exploit

Fix

Side Channel Attack

Exposure of Resource to Wrong Sphere

Weakness Enumeration

CWE-203

CWE-668

Related Identifiers

ALT-PU-2021-2909

ALT-PU-2021-2987

ALT-PU-2021-2988

ALT-PU-2021-3044

ALT-PU-2021-3050

ALT-PU-2021-3436

ALT-PU-2021-3603

BDU:2022-00077

CVE-2021-37968

DSA-5046-1

MGASA-2022-0050

OPENSUSE-SU-2021:1339-1

OPENSUSE-SU-2021:1350-1

OPENSUSE-SU-2021_1350-1

OPENSUSE-SU-2024:11555-1

OPENSUSE-SU-2024:11605-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2357

• 🔥 https://github.com/Phuong39/PoC-CVE-2021-30632 · Exploit
• 🔥 https://github.com/ZeusBox/CVE-2021-37980 · Exploit
• 🔥 https://github.com/SpiralBL0CK/Chrome-V8-RCE-CVE-2021-38003 · Exploit
• 🔥 https://github.com/CrackerCat/CVE-2021-30632 · 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://github.com/Lagal1990/CVE-2021-30632 · Exploit, Deleted
• 🔥❌ https://github.com/Expdev893/CVE-2021-30632 · Exploit, Deleted
• https://advisories.mageia.org/MGASA-2022-0050.html · Security Note
• https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/2MLX3OHXV7SCLP5MK4AA5TVXPPNSWDUP · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-37968 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/669791 · Security Note