#VU64040 Buffer overflow in Qualcomm products - CVE-2021-35102

Vulnerability identifier: #VU64040

Vulnerability risk: Low

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

CVE-ID: CVE-2021-35102

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
AR8035
QCA6390
QCA6391
QCA6421
QCA6426
QCA6431
QCA6436
QCA6574A
QCA6595AU
QCA6696
QCA8081
QCA8337
SA515M
SD 675
SD 8 Gen1 5G
SD480
SD678
SD690 5G
SD695
SD720G
SD750G
SD765
SD765G
SD768G
SD778G
SD780G
SD865 5G
SD870
SD888 5G
SDX55M
SDX65
SDXR2 5G
SM6250
SM6250P
SM7250P
SM7315
WCD9341
WCD9360
WCD9370
WCD9375
WCD9380
WCD9385
WCN3950
WCN3980
WCN3988
WCN3990
WCN3991
WCN3998
WCN6740
WCN6750
WCN6850
WCN6851
WCN6855
WCN6856
WCN7851
WSA8810
WSA8815
WSA8830
WSA8835
QCA6574AU
SD675
SD730
SD855
SD888
SDX55
SM7450
SM8475
SM8475P
WSA8832

Software vendor:
Qualcomm

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to lack of validation for the length of NAI string read from EFS in Data Modem. A local user can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install updates from vendor's website.

• https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2022-bulletin.html