Vulnerability identifier: #VU54551

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1907

CWE-ID: CWE-617

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
APQ8053
Hardware solutions / Firmware
MSM8953
Hardware solutions / Firmware
QCA6574AU
Hardware solutions / Firmware
SA6155P
Hardware solutions / Firmware
SD636
Hardware solutions / Firmware
SD665
Hardware solutions / Firmware
SD670
Hardware solutions / Firmware
SD710
Hardware solutions / Firmware
SD835
Hardware solutions / Firmware
SD845
Hardware solutions / Firmware
SD855
Hardware solutions / Firmware
SD888
Hardware solutions / Firmware
SDM630
Hardware solutions / Firmware
SDX55
Hardware solutions / Firmware
CSRB31024
Mobile applications / Mobile firmware & hardware
QCA6175A
Mobile applications / Mobile firmware & hardware
QCA6390
Mobile applications / Mobile firmware & hardware
QCA6391
Mobile applications / Mobile firmware & hardware
QCA6426
Mobile applications / Mobile firmware & hardware
QCA6436
Mobile applications / Mobile firmware & hardware
QCA6564A
Mobile applications / Mobile firmware & hardware
QCA6564AU
Mobile applications / Mobile firmware & hardware
QCA6574
Mobile applications / Mobile firmware & hardware
QCA6574A
Mobile applications / Mobile firmware & hardware
QCA6584AU
Mobile applications / Mobile firmware & hardware
QCA6595
Mobile applications / Mobile firmware & hardware
QCA6595AU
Mobile applications / Mobile firmware & hardware
QCA6696
Mobile applications / Mobile firmware & hardware
QCM4290
Mobile applications / Mobile firmware & hardware
QCM6125
Mobile applications / Mobile firmware & hardware
QCS4290
Mobile applications / Mobile firmware & hardware
QCS6125
Mobile applications / Mobile firmware & hardware
SA415M
Mobile applications / Mobile firmware & hardware
SA515M
Mobile applications / Mobile firmware & hardware
SA6145P
Mobile applications / Mobile firmware & hardware
SA6150P
Mobile applications / Mobile firmware & hardware
SA6155
Mobile applications / Mobile firmware & hardware
SA8145P
Mobile applications / Mobile firmware & hardware
SA8150P
Mobile applications / Mobile firmware & hardware
SA8155
Mobile applications / Mobile firmware & hardware
SA8155P
Mobile applications / Mobile firmware & hardware
SA8195P
Mobile applications / Mobile firmware & hardware
SD480
Mobile applications / Mobile firmware & hardware
SD660
Mobile applications / Mobile firmware & hardware
SD765
Mobile applications / Mobile firmware & hardware
SD765G
Mobile applications / Mobile firmware & hardware
SD768G
Mobile applications / Mobile firmware & hardware
SD778G
Mobile applications / Mobile firmware & hardware
SD780G
Mobile applications / Mobile firmware & hardware
SD8655G
Mobile applications / Mobile firmware & hardware
SD870
Mobile applications / Mobile firmware & hardware
SD8885G
Mobile applications / Mobile firmware & hardware
SDX55M
Mobile applications / Mobile firmware & hardware
SDXR25G
Mobile applications / Mobile firmware & hardware
SM7250P
Mobile applications / Mobile firmware & hardware
SM7315
Mobile applications / Mobile firmware & hardware
SM7325P
Mobile applications / Mobile firmware & hardware
WCD9326
Mobile applications / Mobile firmware & hardware
WCD9335
Mobile applications / Mobile firmware & hardware
WCD9340
Mobile applications / Mobile firmware & hardware
WCD9341
Mobile applications / Mobile firmware & hardware
WCD9370
Mobile applications / Mobile firmware & hardware
WCD9375
Mobile applications / Mobile firmware & hardware
WCD9380
Mobile applications / Mobile firmware & hardware
WCD9385
Mobile applications / Mobile firmware & hardware
WCN3615
Mobile applications / Mobile firmware & hardware
WCN3680B
Mobile applications / Mobile firmware & hardware
WCN3910
Mobile applications / Mobile firmware & hardware
WCN3950
Mobile applications / Mobile firmware & hardware
WCN3980
Mobile applications / Mobile firmware & hardware
WCN3988
Mobile applications / Mobile firmware & hardware
WCN3990
Mobile applications / Mobile firmware & hardware
WCN3991
Mobile applications / Mobile firmware & hardware
WCN3998
Mobile applications / Mobile firmware & hardware
WCN6740
Mobile applications / Mobile firmware & hardware
WCN6750
Mobile applications / Mobile firmware & hardware
WCN6850
Mobile applications / Mobile firmware & hardware
WCN6851
Mobile applications / Mobile firmware & hardware
WCN6855
Mobile applications / Mobile firmware & hardware
WCN6856
Mobile applications / Mobile firmware & hardware
WSA8810
Mobile applications / Mobile firmware & hardware
WSA8815
Mobile applications / Mobile firmware & hardware
WSA8830
Mobile applications / Mobile firmware & hardware
WSA8835
Mobile applications / Mobile firmware & hardware

Vendor: Qualcomm

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion caused by lack of length check in BA request in WLAN HOST. A remote attacker can send specially crafted traffic to the device and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

APQ8053: All versions

CSRB31024: All versions

MSM8953: All versions

QCA6175A: All versions

QCA6390: All versions

QCA6391: All versions

QCA6426: All versions

QCA6436: All versions

QCA6564A: All versions

QCA6564AU: All versions

QCA6574: All versions

QCA6574A: All versions

QCA6574AU: All versions

QCA6584AU: All versions

QCA6595: All versions

QCA6595AU: All versions

QCA6696: All versions

QCM4290: All versions

QCM6125: All versions

QCS4290: All versions

QCS6125: All versions

SA415M: All versions

SA515M: All versions

SA6145P: All versions

SA6150P: All versions

SA6155: All versions

SA6155P: All versions

SA8145P: All versions

SA8150P: All versions

SA8155: All versions

SA8155P: All versions

SA8195P: All versions

SD636: All versions

SD480: All versions

SD660: All versions

SD665: All versions

SD670: All versions

SD710: All versions

SD765: All versions

SD765G: All versions

SD768G: All versions

SD778G: All versions

SD780G: All versions

SD835: All versions

SD845: All versions

SD855: All versions

SD8655G: All versions

SD870: All versions

SD888: All versions

SD8885G: All versions

SDM630: All versions

SDX55: All versions

SDX55M: All versions

SDXR25G: All versions

SM7250P: All versions

SM7315: All versions

SM7325P: All versions

WCD9326: All versions

WCD9335: All versions

WCD9340: All versions

WCD9341: All versions

WCD9370: All versions

WCD9375: All versions

WCD9380: All versions

WCD9385: All versions

WCN3615: All versions

WCN3680B: All versions

WCN3910: All versions

WCN3950: All versions

WCN3980: All versions

WCN3988: All versions

WCN3990: All versions

WCN3991: All versions

WCN3998: All versions

WCN6740: All versions

WCN6750: All versions

WCN6850: All versions

WCN6851: All versions

WCN6855: All versions

WCN6856: All versions

WSA8810: All versions

WSA8815: All versions

WSA8830: All versions

WSA8835: All versions

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External links
http://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin
http://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=617c89ade15899cdffa76fc8bd5e1f491137a519

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.