Use-after-Free in imgsys_cmdq leads to local privilege escalation (ALPS)
CVE-2023-20849 Published on September 4, 2023

In imgsys_cmdq, there is a possible use after free due to a missing valid range checking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS07340433; Issue ID: ALPS07340350.

NVD

Vulnerability Analysis

CVE-2023-20849 can be exploited with local system access, requires user interaction and 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:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2023-20849 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2023-20849

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2023-20849 are published in these products:

Linux Foundation Yocto
 
MediaTek Iot Yocto
 
Google Android
 
Linux Kernel
 

Affected Versions

MediaTek, Inc. MT2713, MT6895, MT6897, MT6983, MT8188, MT8195, MT8395, MT8781: linuxfoundation yocto: mediatek iot_yocto: google android: google android: linux_kernel:

Exploit Probability

EPSS
0.01%
Percentile
1.34%

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.