Buffer overflow in Qualcomm products - CVE-2021-35103
Published: March 7, 2022
Vulnerability identifier: #VU61063
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2021-35103
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to improper validation of number of timer values received from firmware while syncing timers in the WLAN Host Communication component. A malicious application can trigger buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
SA8155P
SA415M
SA515M
SA6145P
SA6150P
SA6155
SA8145P
SA8150P
SA8155
SA4155P
SA8195P
SD8Gen15G
SD460
SD480
SD662
SD765
SD765G
SD768G
QCN9072
QCN6112
QCN6122
QCN9000
QCN9011
QCN9012
QCN9022
QCN9024
QCN9070
SD778G
QCN9074
QCN9100
QCS6125
QCS6490
QRB5165
QRB5165M
QRB5165N
SA4150P
WCN6750
WCD9375
WCD9380
WCD9385
WCN3950
WCN3980
WCN3988
WCN3991
WCN3998
WCN6740
WCD9370
WCN6850
WCN6851
WCN6855
WCN6856
WSA8810
WSA8815
WSA8830
WSA8835
SDXR25G
SD780G
SD8655G
SD870
SD8885G
SDX55M
SDX65
QCN6102
SM6225
SM6375
SM7250P
SM7315
SM7325P
SW5100
SW5100P
WCD9360
PMP8074
IPQ8071A
IPQ8072A
IPQ8074A
IPQ8076
IPQ8076A
IPQ8078
IPQ8078A
IPQ8173
IPQ8174
IPQ8070A
QCA4024
QCA6390
QCA6391
QCA6426
QCA6436
QCA6554A
QCA6564AU
QCA6574
IPQ5018
AR9380
CSR8811
CSRB31024
IPQ4018
IPQ4028
IPQ4029
IPQ5010
QCA6574A
IPQ5028
IPQ6010
IPQ6018
IPQ6028
IPQ8065
IPQ8068
IPQ8070
QCN5054
QCA9990
QCA9992
QCA9994
QCM6125
QCM6490
QCN5021
QCN5022
QCN5024
QCN5052
QCA9985
QCN5122
QCN5124
QCN5152
QCN5154
QCN5164
QCN6023
QCN6024
QCN6100
QCA8081
QCA6584AU
QCA6595
QCA6595AU
QCA6696
QCA7500
QCA8072
QCA8075
AR8035
QCA8337
QCA9880
QCA9886
QCA9888
QCA9889
QCA9898
QCA9984
SA6155P
QCN6132
SD888
SDX55
IPQ4019
IPQ8064
QCA6574AU
QCA9980
Google Android
SA415M
SA515M
SA6145P
SA6150P
SA6155
SA8145P
SA8150P
SA8155
SA4155P
SA8195P
SD8Gen15G
SD460
SD480
SD662
SD765
SD765G
SD768G
QCN9072
QCN6112
QCN6122
QCN9000
QCN9011
QCN9012
QCN9022
QCN9024
QCN9070
SD778G
QCN9074
QCN9100
QCS6125
QCS6490
QRB5165
QRB5165M
QRB5165N
SA4150P
WCN6750
WCD9375
WCD9380
WCD9385
WCN3950
WCN3980
WCN3988
WCN3991
WCN3998
WCN6740
WCD9370
WCN6850
WCN6851
WCN6855
WCN6856
WSA8810
WSA8815
WSA8830
WSA8835
SDXR25G
SD780G
SD8655G
SD870
SD8885G
SDX55M
SDX65
QCN6102
SM6225
SM6375
SM7250P
SM7315
SM7325P
SW5100
SW5100P
WCD9360
PMP8074
IPQ8071A
IPQ8072A
IPQ8074A
IPQ8076
IPQ8076A
IPQ8078
IPQ8078A
IPQ8173
IPQ8174
IPQ8070A
QCA4024
QCA6390
QCA6391
QCA6426
QCA6436
QCA6554A
QCA6564AU
QCA6574
IPQ5018
AR9380
CSR8811
CSRB31024
IPQ4018
IPQ4028
IPQ4029
IPQ5010
QCA6574A
IPQ5028
IPQ6010
IPQ6018
IPQ6028
IPQ8065
IPQ8068
IPQ8070
QCN5054
QCA9990
QCA9992
QCA9994
QCM6125
QCM6490
QCN5021
QCN5022
QCN5024
QCN5052
QCA9985
QCN5122
QCN5124
QCN5152
QCN5154
QCN5164
QCN6023
QCN6024
QCN6100
QCA8081
QCA6584AU
QCA6595
QCA6595AU
QCA6696
QCA7500
QCA8072
QCA8075
AR8035
QCA8337
QCA9880
QCA9886
QCA9888
QCA9889
QCA9898
QCA9984
SA6155P
QCN6132
SD888
SDX55
IPQ4019
IPQ8064
QCA6574AU
QCA9980
Google Android
How to mitigate CVE-2021-35103
Install updates from vendor's website.
Google Android - addressed in versions 10 2022-03-05, 11 2022-03-05, 12 2022-03-05