SB2018051114 - Multiple vulnerabilities in Google Chrome
Published: May 11, 2018 Updated: June 14, 2021
Security Bulletin ID
SB2018051114
Severity
High
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2018-6120)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to heap-based buffer overflow in PDFium when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code withe elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
2) Type confusion (CVE-ID: CVE-2018-6122)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to type confusion in V8 when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code withe elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
3) Privilege escalation (CVE-ID: CVE-2018-6121)
The vulnerability allows a remote attacker to gain elevated privileges on the target system.The weakness exists due to an error in extensions when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code withe elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.