CVE-2023-6317

Public Exploit

PIN/prompt bypass on the secondscreen.gateway service allows access to the SSAP API without user interaction

Description

A prompt bypass exists in the secondscreen.gateway service running on webOS version 4 through 7. An attacker can create a privileged account without asking the user for the security PIN. Full versions and TV models affected: webOS 4.9.7 - 5.30.40 running on LG43UM7000PLA webOS 5.5.0 - 04.50.51 running on OLED55CXPUA webOS 6.3.3-442 (kisscurl-kinglake) - 03.36.50 running on OLED48C1PUB webOS 7.3.1-43 (mullet-mebin) - 03.33.85 running on OLED55A23LA

Remediation

Solution:

An update to a newer firmware version fixes the issue.

References

Link	Tags
https://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/	third party advisory exploit
https://lgsecurity.lge.com/bulletins/tv#updateDetails	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-6317?: CVE-2023-6317 has been scored as a high severity vulnerability.
How to fix CVE-2023-6317?: To fix CVE-2023-6317: An update to a newer firmware version fixes the issue.
Is CVE-2023-6317 being actively exploited in the wild?: It is possible that CVE-2023-6317 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6317?: CVE-2023-6317 affects LG WebOS.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Remediation

Category

CWE-639 – Authorization Bypass Through User-Controlled Key

References

Frequently Asked Questions