#VU57893 Stack-based buffer overflow in Qualcomm products - CVE-2021-1979

Vulnerability identifier: #VU57893

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-2021-1979

CWE-ID: CWE-121

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
AQT1000
AR8035
CSRB31024
FSM10055
FSM10056
MDM9250
QCA6310
QCA6320
QCA6335
QCA6390
QCA6391
QCA6420
QCA6421
QCA6426
QCA6430
QCA6431
QCA6436
QCA6564A
QCA6564AU
QCA6574A
QCA6584AU
QCA6595AU
QCA6696
QCA8081
QCA8337
QCM6125
QCM6490
QCS410
QCS603
QCS610
QCS6125
QCS6490
QCX315
QSM8350
SA415M
SA515M
SA8155
SA8155P
SC8180X+SDX55
SD 455
SD 636
SD 675
SD 8C
SD 8CX
SD480
SD660
SD678
SD690 5G
SD720G
SD750G
SD765
SD765G
SD768G
SD778G
SD780G
SD7c
SD865 5G
SD870
SD888 5G
SDX12
SDX50M
SDX55M
SDX65
SDXR1
SDXR2 5G
SM6250
SM6250P
SM6375
SM7250
SM7325
SM8450
SM8450P
WCD9326
WCD9335
WCD9340
WCD9341
WCD9360
WCD9370
WCD9371
WCD9375
WCD9380
WCD9385
WCN3910
WCN3950
WCN3980
WCN3988
WCN3990
WCN3991
WCN3998
WCN6740
WCN6750
WCN6850
WCN6851
WCN6855
WCN6856
WCN7850
WCN7851
WHS9410
WSA8810
WSA8815
WSA8830
WSA8835
MDM9150
MDM9650
QCA6174A
QCA6574AU
QCA9377
QCS605
SD665
SD670
SD675
SD710
SD712
SD730
SD835
SD845
SD850
SD855
SDM630
SDX20
SDX24
SDX55

Software vendor:
Qualcomm

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

The vulnerability exists due to a boundary error in RFA Tools. A local user can trigger stack-based buffer overflow 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://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin