SB2019111202 - Multiple vulnerabilities in Microsoft Edge and ChakraCore
Published: November 12, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2019-1428)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the scripting engine in Microsoft Edge (HTML-based). A remote attacker can trick the victim to visit a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Buffer overflow (CVE-ID: CVE-2019-1427)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the scripting engine in Microsoft Edge (HTML-based). A remote attacker can trick the victim to visit a specially crafted website, 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) Buffer overflow (CVE-ID: CVE-2019-1426)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the scripting engine in Microsoft Edge (HTML-based). A remote attacker can trick the victim to visit a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-1413)
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to an error when handling extension requests that doe not request host permission for all_urls. A remote attacker can create a specially crafted website, trick the victim into visiting it and bypass built-in security features.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1428
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1427
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1426
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1413