Out-of-bounds read in Qualcomm products - CVE-2021-1901

 

Out-of-bounds read in Qualcomm products - CVE-2021-1901

Published: July 5, 2021


Vulnerability identifier: #VU54547
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1901
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition caused by lack of length check while flashing meta images in the Boot subsystem. An attacker with physical access to device can perform a denial of service attack.

Affected software

WCN3660B
WCD9326
WCD9330
WCD9340
WCD9341
WCD9370
WCD9375
WCD9380
WCN3610
WCN3615
WCN3620
SM6250
WCN3680
WCN3680B
WCN3950
WCN3980
WCN3988
WCN3991
WCN3998
WSA8810
WSA8815
AQT1000
QCA6420
QCA6430
QCA9367
Qualcomm215
SD678
SD720G
SDA429W
SDX50M
SDX55M
SD205
APQ8053
MDM9206
QCA9377
SD675
APQ8009
SD210
SD730
SD855
SDX55

How to mitigate CVE-2021-1901

Install updates from vendor's website.


External References

Related Security Bulletins