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CVE-2021-21198 Detail

Current Description

Out of bounds read in IPC in Google Chrome prior to 89.0.4389.114 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.4 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/162973/Chrome-Legacy-ipc-Message-Passed-Via-Shared-Memory.html Third Party Advisory  VDB Entry 
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_30.html Release Notes  Vendor Advisory 
https://crbug.com/1184399 Permissions Required  Vendor Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/ Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/ Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/ Mailing List  Third Party Advisory 
https://security.gentoo.org/glsa/202104-08 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-21198
NVD Published Date:
04/09/2021
NVD Last Modified:
06/07/2021
Source:
Chrome