PT-2021-2128 · Google+3 · Google Chrome+3

Rory Mcnamara · Published 2021-01-20 · Updated 2024-06-15 · CVE-2021-21117

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 88.0.4324.96

Description The issue is related to insufficient policy enforcement in the Cryptohome component of Google Chrome, which can allow a local attacker to perform OS-level privilege escalation via a crafted file. This is due to insecure privilege management.

Recommendations For versions prior to 88.0.4324.96, update to version 88.0.4324.96 or later to resolve the issue. As a temporary workaround, consider restricting access to the Cryptohome component until a patch is applied.

Fix

Link Following

Race Condition

Improper Privilege Management

Weakness Enumeration

CWE-59

CWE-362

CWE-269

Related Identifiers

ALT-PU-2021-1146

ALT-PU-2021-1179

ALT-PU-2021-1198

ALT-PU-2021-1210

ALT-PU-2021-1379

BDU:2021-00987

CVE-2021-21117

DSA-4846-1

OPENSUSE-SU-2021:0166-1

OPENSUSE-SU-2021:0173-1

OPENSUSE-SU-2021:0177-1

OPENSUSE-SU-2021:0186-1

OPENSUSE-SU-2021_0166-1

OPENSUSE-SU-2021_0173-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2337

• https://bdu.fstec.ru/vul/2021-00987 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:0166-1 · 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://osv.dev/vulnerability/DSA-4846-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21117 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-21117 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-21117 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21117 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-21117 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:0177-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21117 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:0186-1 · Vendor Advisory