#VU56342 NULL pointer dereference in Qualcomm products - CVE-2021-1946

Vulnerability identifier: #VU56342

Vulnerability risk: High

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

CVE-ID: CVE-2021-1946

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
APQ8017
APQ8053
MSM8917
MSM8920
MSM8940
MSM8953
QCA6174A
QCA6574AU
QCA9377
SD675
SD205
SD210
SD450
SD665
SD730
SD855
SDX55
AQT1000
AR8035
QCA6390
QCA6391
QCA6420
QCA6421
QCA6426
QCA6430
QCA6431
QCA6436
QCA6574A
QCA6595AU
QCA6696
QCA8337
QCM4290
QCM6125
QCM6490
QCS410
QCS4290
QCS610
QCS6125
QCS6490
QSM8350
Qualcomm215
SA8155
SA8155P
SD8C
SD8CX
SD429
SD480
SD632
SD678
SD6905G
SD720G
SD750G
SD765
SD765G
SD768G
SD778G
SD780G
SD8655G
SD870
SD8885G
SDX12
SDX55M
SDXR25G
SM6250
SM6250P
SM7250
SM7325
WCD9335
WCD9340
WCD9341
WCD9360
WCD9370
WCD9371
WCD9375
WCD9380
WCD9385
WCN3610
WCN3660
WCN3660B
WCN3680
WCN3910
WCN3950
WCN3980
WCN3988
WCN3990
WCN3991
WCN3998
WCN6740
WCN6750
WCN6850
WCN6851
WCN6855
WCN6856
WHS9410
WSA8815
WSA8830
WSA8835

Software vendor:
Qualcomm

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a NULL pointer dereference error while processing crafted SDP body within the Data Modem component. A remote attacker can send specially crafted data to the system and execute arbitrary code.

Install updates from vendor's website.

• https://www.qualcomm.com/company/product-security/bulletins/september-2021-bulletin