CVE-2023-6317: PIN/prompt bypass on the secondscreen.gateway service allows access to the SSAP API without user interaction
First published: Tue Apr 09 2024(Updated: )
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
Credit: cve-requests@bitdefender.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| LG webOS | >=4<7 | |
| All of | ||
| LG webOS | =4.9.7 | |
| LG 43UM7000PLA | ||
| All of | ||
| LG webOS | =5.5.0 | |
| LG OLED55CXPUA | ||
| All of | ||
| LG webOS | =6.3.3-442 | |
| LG OLED48C1PUB | ||
| All of | ||
| LG webOS | =7.3.1-43 | |
| LG OLED55A23LA |
Remedy
An update to a newer firmware version fixes the issue.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-6317?
CVE-2023-6317 is classified as a high severity vulnerability due to its potential to allow unauthorized privileged account creation.
How do I fix CVE-2023-6317?
To mitigate CVE-2023-6317, users should update their webOS software to the latest version provided by LG.
What versions of webOS are affected by CVE-2023-6317?
CVE-2023-6317 affects webOS versions from 4.0 through 7.0, including specific models like LG43UM7000PLA.
What type of attack does CVE-2023-6317 enable?
CVE-2023-6317 allows an attacker to bypass the security PIN prompt and create a privileged account.
Is authentication impacted by CVE-2023-6317?
Yes, CVE-2023-6317 directly impacts authentication mechanisms by allowing privileged account creation without user consent.
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- canonical/lg oled48c1pub
- version/lg webos/7.3.1-43
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