#VU70823 Buffer over-read in UNISOC products - CVE-2022-42768

Vulnerability identifier: #VU70823

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-42768

CWE-ID: CWE-126

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SC9863A
Mobile applications / Mobile firmware & hardware
SC9832E
Mobile applications / Mobile firmware & hardware
SC7731E
Mobile applications / Mobile firmware & hardware
T610
Mobile applications / Mobile firmware & hardware
T310
Mobile applications / Mobile firmware & hardware
T606
Mobile applications / Mobile firmware & hardware
T760
Mobile applications / Mobile firmware & hardware
T618
Mobile applications / Mobile firmware & hardware
T612
Mobile applications / Mobile firmware & hardware
T616
Mobile applications / Mobile firmware & hardware
T770
Mobile applications / Mobile firmware & hardware
T820
Mobile applications / Mobile firmware & hardware
S8013
Mobile applications / Mobile firmware & hardware

Vendor: UNISOC

Description

The vulnerability allows a remote attacker to read, manipulate or delete data.

The vulnerability exists due to a possible missing bounds check within the wlan driver in WLAN Firmware. A remote attacker can trick the victim to open a specially crafted file and read, manipulate or delete data.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

SC9863A: All versions

SC9832E: All versions

SC7731E: All versions

T610: All versions

T310: All versions

T606: All versions

T760: All versions

T618: All versions

T612: All versions

T616: All versions

T770: All versions

T820: All versions

S8013: All versions

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External links
https://www.unisoc.com/en_us/secy/announcementDetail/1599588060988411006

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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