PT-2020-5592 · Google+3 · Google Chrome+3

Tom Van Goethem · Published 2020-12-11 · Updated 2024-06-15 · CVE-2021-21173

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 89.0.4389.72

Description The issue is related to side-channel information leakage in Network Internals, allowing a remote attacker to leak cross-origin data via a crafted HTML page. This is also associated with errors in cryptographic transformations, which could enable an unauthorized access to protected information.

Recommendations For versions prior to 89.0.4389.72, update to version 89.0.4389.72 or later to resolve the issue.

Exploit

Fix

Side Channel Attack

Weakness Enumeration

CWE-310

CWE-203

Related Identifiers

ALT-PU-2021-1460

ALT-PU-2021-1511

ALT-PU-2021-1668

ALT-PU-2021-1751

ALT-PU-2021-2141

BDU:2021-01220

CVE-2021-21173

DSA-4886-1

MGASA-2021-0142

OPENSUSE-SU-2021:0392-1

OPENSUSE-SU-2021:0401-1

OPENSUSE-SU-2021_0392-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2351

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/chrome_cve_2021_21220_v8_insufficient_validation.rb · Exploit
• 🔥 https://github.com/xmzyshypnc/CVE-2021-30551 · Exploit
• 🔥 https://github.com/security-dbg/CVE-2021-21220 · Exploit
• 🔥❌ https://github.com/ohnonoyesyes/CVE-2021-21224 · Exploit, Deleted
• https://osv.dev/vulnerability/CVE-2021-21173 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21173 · Security Note
• https://ubuntu.com/security/CVE-2021-21173 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01220 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-21173 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-21173 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10681-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210611SE16 · Vendor Advisory
• https://security.gentoo.org/glsa/202104-08 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4886-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH · Vendor Advisory