Local Priv Esc in Microsoft Windows VCU via OOB Write
CVE-2023-20743 Published on June 6, 2023

In vcu, there is a possible out of bounds write due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07519142; Issue ID: ALPS07519142.

NVD

Vulnerability Analysis

CVE-2023-20743 can be exploited with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Improper Locking

The software does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.


Products Associated with CVE-2023-20743

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2023-20743 are published in these products:

Linux Foundation Iot Yocto
 
Linux Foundation Yocto
 
Google Android
 
Microsoft Windows
 

Affected Versions

MediaTek, Inc. MT6789, MT6855, MT8185, MT8195, MT8365, MT8395, MT8781, MT8786, MT8789, MT8791, MT8797 Version Android 12.0, 13.0 / Yocto 4.0 / Iot-Yocto 22.2 is affected by CVE-2023-20743

Exploit Probability

EPSS
0.02%
Percentile
6.10%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.