KLA51709 Multiple vulnerabilities in Microsoft Browser

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code, bypass security restrictions.

Below is a complete list of vulnerabilities:

1. Type confusion vulnerability in V8 can be exploited to cause denial of service.
2. Use after free vulnerability in Blink Task Scheduling can be exploited to cause denial of service or execute arbitrary code.
3. Out of bounds read vulnerability in WebGL can be exploited to cause denial of service.
4. Use after free vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
5. Out of bounds memory access vulnerability in ANGLE can be exploited to cause denial of service.
6. Heap buffer overflow vulnerability in Visuals can be exploited to cause denial of service.
7. A security feature bypass vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to bypass security restrictions.
8. Data validation vulnerability in Extensions can be exploited to cause denial of service.
9. Implementation vulnerability in Extensions can be exploited to cause denial of service.
10. Use after free vulnerability in Cast can be exploited to cause denial of service or execute arbitrary code.

Original advisories

CVE-2023-4069

CVE-2023-4074

CVE-2023-4072

CVE-2023-4076

CVE-2023-4073

CVE-2023-4071

CVE-2023-38157

CVE-2023-4077

CVE-2023-4070

CVE-2023-4068

CVE-2023-4078

CVE-2023-4075

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Microsoft-Edge

CVE list

CVE-2023-4071 critical

CVE-2023-4072 critical

CVE-2023-4077 critical

CVE-2023-4074 critical

CVE-2023-4075 critical

CVE-2023-4076 critical

CVE-2023-4069 critical

CVE-2023-4078 critical

CVE-2023-4068 critical

CVE-2023-4073 critical

CVE-2023-4070 critical

CVE-2023-38157 high

KB list

Solution

Install necessary updates from the Settings and more menu, that are listed in your About Microsoft Edge page (Microsoft Edge About page usually can be accessed from the Help and feedback option)

Microsoft Edge update settings

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

• Microsoft Edge (Chromium-based)