Stack-based buffer overflow in UNISOC products - CVE-2024-39431

Vulnerability identifier: #VU96754

CSH Severity: High

CVSS v4: 7.7 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-39431

CWE-ID: CWE-121

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to a possible out of bounds write due to a missing bounds check within the UMTS RLC driver in Modem. A remote attacker can execute arbitrary code.

SC7731E
SC9832E
SC9863A
T310
T606
T612
T616
T610
T618
T760
T770
T820
S8000
Google Android

Install security update from vendor's website.

Google Android - addressed in versions 12L 2024-09-05, 12 2024-09-05, 13 2024-09-05, 14 2024-09-05

• https://www.unisoc.com/en_us/secy/announcementDetail/1830802995705610241

• Multiple vulnerabilities in Unisoc chipsets
• Multiple vulnerabilities in Google Android