Multiple vulnerabilities in Google ChromeOS



Published: 2023-09-27 | Updated: 2024-06-07
Risk Critical
Patch available YES
Number of vulnerabilities 13
CVE-ID CVE-2023-4622
CVE-2023-4208
CVE-2023-5129
CVE-2023-4863
CVE-2023-4900
CVE-2023-4901
CVE-2023-4902
CVE-2023-4903
CVE-2023-4904
CVE-2023-4905
CVE-2023-4906
CVE-2023-4907
CVE-2023-4908
CVE-2023-4909
CWE-ID CWE-416
CWE-122
CWE-358
CWE-264
Exploitation vector Network
Public exploit Vulnerability #3 is being exploited in the wild.
Vulnerable software
Subscribe 		Chrome OS
Operating systems & Components / Operating system

Vendor Google

Security Bulletin

This security bulletin contains information about 13 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU80583

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4622

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the unix_stream_sendpage() function in af_unix component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) Use-after-free

EUVDB-ID: #VU80586

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4208

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the the cls_u32 component in Linux kernel packet scheduler. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

3) Heap-based buffer overflow

EUVDB-ID: #VU80637

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-5129,CVE-2023-4863

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: Yes

Description

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

The vulnerability exists due to a boundary error when processing WebP images within libwebp library. A remote attacker can trick the victim to visit a malicious website, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system. The vulnerability affects all modern browsers that support WebP image processing.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

4) Improperly implemented security check for standard

EUVDB-ID: #VU80696

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4900

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Custom Tabs in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

5) Improperly implemented security check for standard

EUVDB-ID: #VU80697

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4901

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Prompts in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

6) Improperly implemented security check for standard

EUVDB-ID: #VU80698

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4902

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Input in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

7) Improperly implemented security check for standard

EUVDB-ID: #VU80699

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4903

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Custom Mobile Tabs in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

8) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU80700

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4904

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in Downloads in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

9) Improperly implemented security check for standard

EUVDB-ID: #VU80701

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4905

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Prompts in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

10) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU80702

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4906

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in Autofill in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

11) Improperly implemented security check for standard

EUVDB-ID: #VU80703

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4907

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Intents in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

12) Improperly implemented security check for standard

EUVDB-ID: #VU80704

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4908

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Picture in Picture in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

13) Improperly implemented security check for standard

EUVDB-ID: #VU80705

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4909

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Interstitials in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chrome OS: before 117.0.5938.115

CPE2.3
External links

http://chromereleases.googleblog.com/2023/09/stable-channel-update-for-chromeos.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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



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