PT-2021-5561 · Google+3 · Google Chrome+3

Nohackair · Published 2021-05-27 · Updated 2024-06-15 · CVE-2021-30539

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 91.0.4472.77

Description The issue is related to insufficient policy enforcement in the content security policy of Google Chrome, which can be exploited by a remote attacker to bypass the existing access restriction policy. This can be achieved via a crafted HTML page.

Recommendations For versions prior to 91.0.4472.77, update to version 91.0.4472.77 or later to resolve the issue. As a temporary workaround, consider restricting access to crafted HTML pages that could exploit this issue until a patch is applied.

Exploit

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

ALT-PU-2021-1876

ALT-PU-2021-1972

ALT-PU-2021-2007

ALT-PU-2021-2009

ALT-PU-2021-2141

BDU:2021-06417

CVE-2021-30539

OPENSUSE-SU-2021:0825-1

OPENSUSE-SU-2021:0840-1

OPENSUSE-SU-2021_0825-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2338

• 🔥 https://crbug.com/971231 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-30539 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30539 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30539 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:0840-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-30539 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0114SE47 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-30539 · Security Note
• https://security.gentoo.org/glsa/202107-06 · Vendor Advisory