SB2020112319 - Red Hat Enterprise Linux 6 Supplementary update for chromium-browser

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020112319

SB2020112319 - Red Hat Enterprise Linux 6 Supplementary update for chromium-browser

Published: November 23, 2020

Security Bulletin ID SB2020112319
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 67% High 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Improperly implemented security check for standard (CVE-ID: CVE-2020-16013)

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect implementation in V8 in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.

Note, the vulnerability is being actively exploited in the wild.


2) Buffer overflow (CVE-ID: CVE-2020-16016)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content inside a third-party library, used by Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


3) Use-after-free (CVE-ID: CVE-2020-16017)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the site isolation component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.

References