SB2023113006 - Multiple vulnerabilities in Microsoft Edge

Description

This security bulletin contains information about 6 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2023-6350)

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

The vulnerability exists due to a boundary error in libavif in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.

2) Use-after-free (CVE-ID: CVE-2023-6351)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the libavif 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.

3) Integer overflow (CVE-ID: CVE-2023-6345)

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

The vulnerability exists due to integer overflow in Skia component in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page, trigger an integer overflow and execute arbitrary code on the target system.

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

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

4) Use-after-free (CVE-ID: CVE-2023-6346)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the WebAudio 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.

5) Type Confusion (CVE-ID: CVE-2023-6348)

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

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

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

6) Use-after-free (CVE-ID: CVE-2023-6347)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Mojo 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.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-6350
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-6351
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-6345
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-6346
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-6348
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-6347