PT-2021-5638 · Google+3 · Google Chrome+3

Sorrymybad · Published 2021-09-21 · Updated 2024-06-15 · CVE-2021-37967

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 the Background Fetch API in Google Chrome, which can lead to information disclosure in the error domain. A remote attacker who has compromised the renderer process can exploit this to leak cross-origin data via a crafted HTML page.

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 available.

Exploit

Fix

Origin Validation Error

Exposure of Resource to Wrong Sphere

Weakness Enumeration

CWE-346

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:2022-00076

CVE-2021-37967

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://osv.dev/vulnerability/DEBIAN-CVE-2021-37967 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-37967 · Vendor Advisory
• https://crbug.com/1243622 · 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