#VU82781 Information exposure in UNISOC products - CVE-2023-42645

Vulnerability identifier: #VU82781

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-42645

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
T760
Mobile applications / Mobile firmware & hardware
T770
Mobile applications / Mobile firmware & hardware
T820
Mobile applications / Mobile firmware & hardware
S8000
Mobile applications / Mobile firmware & hardware

Vendor: UNISOC

Description

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to a possible way to write permission usage records of an app due to a missing permission check within the sim service in Android. A local application can gain access to sensitive information.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

T760: All versions

T770: All versions

T820: All versions

S8000: All versions

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External links
https://www.unisoc.com/en_us/secy/announcementDetail/1719615756246777857

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.