CVE-2023-6317

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

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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

Existe una omisión rápida en el servicio secondscreen.gateway que se ejecuta en webOS versión 4 a 7. Un atacante puede crear una cuenta privilegiada sin pedirle al usuario el PIN de seguridad. Versiones completas y modelos de TV afectados: webOS 4.9.7 - 5.30.40 ejecutándose en LG43UM7000PLA webOS 5.5.0 - 04.50.51 ejecutándose en OLED55CXPUA webOS 6.3.3-442 (kisscurl-kinglake) - 03.36.50 ejecutándose en OLED48C1PUB webOS 7.3. 1-43 (mullet-mebin) - 33.03.85 ejecutándose en OLED55A23LA

*Credits: Alexandru Lazăr of Bitdefender Labs

CVSS Scores

Bitdefenderv3.1 7.2

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-11-27 CVE Reserved
2024-04-09 CVE Published
2024-04-10 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-639: Authorization Bypass Through User-Controlled Key

CAPEC

CAPEC-115: Authentication Bypass

References (2)

URL	Tag	Source
https://bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://lgsecurity.lge.com/bulletins/tv#updateDetails	2024-04-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
LG Search vendor "LG"		WebOS Search vendor "LG" for product "WebOS"				4.9.7 Search vendor "LG" for product "WebOS" and version "4.9.7"		en		Affected
LG Search vendor "LG"		WebOS Search vendor "LG" for product "WebOS"				5.5.0 Search vendor "LG" for product "WebOS" and version "5.5.0"		en		Affected