Multiple vulnerabilities in Microsoft Edge



Risk High
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2023-0471
CVE-2023-0472
CVE-2023-0473
CVE-2023-0474
CWE-ID CWE-416
CWE-843
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Microsoft Edge
Client/Desktop applications / Web browsers

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU71492

Risk: High

CVSSv4.0: 6.1 [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]

CVE-ID: CVE-2023-0471

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft Edge: 79.0.309.71 - 109.0.1518.70

CPE2.3 External links

https://chromereleases.googleblog.com/2023/01/stable-channel-update-for-desktop_24.html
https://crbug.com/1376354
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-0471


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU71493

Risk: High

CVSSv4.0: 6.1 [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]

CVE-ID: CVE-2023-0472

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft Edge: 79.0.309.71 - 109.0.1518.70

CPE2.3 External links

https://chromereleases.googleblog.com/2023/01/stable-channel-update-for-desktop_24.html
https://crbug.com/1405256
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-0472


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Type Confusion

EUVDB-ID: #VU71494

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-0473

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a type confusion error within the ServiceWorker API component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a type confusion error and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft Edge: 79.0.309.71 - 109.0.1518.70

CPE2.3 External links

https://chromereleases.googleblog.com/2023/01/stable-channel-update-for-desktop_24.html
https://crbug.com/1404639
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-0473


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Use-after-free

EUVDB-ID: #VU71495

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-0474

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within GuestView in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft Edge: 79.0.309.71 - 109.0.1518.70

CPE2.3 External links

https://chromereleases.googleblog.com/2023/01/stable-channel-update-for-desktop_24.html
https://crbug.com/1400841
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-0474


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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