PT-2021-2803 · Microsoft+3 · Edge+4

Omair · Published 2021-04-20 · Updated 2024-06-15 · CVE-2021-21233

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 90.0.4430.93 Microsoft Edge (affected versions not specified)

Description The issue is related to a heap buffer overflow in the ANGLE library used by Google Chrome and Microsoft Edge. This could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page, potentially leading to arbitrary code execution.

Recommendations For Google Chrome versions prior to 90.0.4430.93, update to version 90.0.4430.93 or later to resolve the issue. For Microsoft Edge, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

BDU:2021-02348

CVE-2021-21233

DSA-4911-1

OPENSUSE-SU-2021:0629-1

OPENSUSE-SU-2021:0729-1

OPENSUSE-SU-2021_0629-1

OPENSUSE-SU-2021_0729-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Angle Library

Astra Linux

Google Chrome

Edge

Suse

References · 2345

• 🔥❌ https://github.com/ohnonoyesyes/CVE-2021-21224 · Exploit, Deleted
• https://safe-surf.ru/specialists/bulletins-nkcki/664263 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-21233 · Vendor Advisory
• https://safe-surf.ru/upload/VULN/VULN-20210430.5.pdf · Security Note
• https://osv.dev/vulnerability/CVE-2021-21233 · Vendor Advisory
• https://crbug.com/1182937 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21233 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY · Vendor Advisory
• https://security.gentoo.org/glsa/202104-08 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21233 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10681-1 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_26.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:0629-1 · Vendor Advisory