#VU55526 Use-after-free in Qualcomm products - CVE-2021-1976

Cybersecurity Help s.r.o.

Published: 2021-08-03

Vulnerability identifier: #VU55526

Vulnerability risk: High

CVSSv4.0: 8.1 [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-2021-1976

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vendor: Qualcomm

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when handling P2P device address in PD Request frame in WLAN HOST. A remote attacker can send specially crafted traffic to the system, trigger a use-after-free error and execute arbitrary code.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

APQ8009: All versions

APQ8009W: All versions

APQ8017: All versions

APQ8053: All versions

APQ8064AU: All versions

APQ8096AU: All versions

AQT1000: All versions

AR7420: All versions

AR8031: All versions

AR8035: All versions

AR9380: All versions

CSR8811: All versions

CSRA6620: All versions

CSRA6640: All versions

CSRB31024: All versions

FSM10055: All versions

FSM10056: All versions

IPQ4018: All versions

IPQ4019: All versions

IPQ4028: All versions

IPQ4029: All versions

IPQ5010: All versions

IPQ5018: All versions

IPQ5028: All versions

IPQ6000: All versions

IPQ6005: All versions

IPQ6010: All versions

IPQ6018: All versions

IPQ6028: All versions

IPQ8064: All versions

IPQ8065: All versions

IPQ8068: All versions

IPQ8069: All versions

IPQ8070: All versions

IPQ8070A: All versions

IPQ8071: All versions

IPQ8071A: All versions

IPQ8072: All versions

IPQ8072A: All versions

IPQ8074: All versions

IPQ8074A: All versions

IPQ8076: All versions

IPQ8076A: All versions

IPQ8078: All versions

IPQ8078A: All versions

IPQ8173: All versions

IPQ8174: All versions

MDM9150: All versions

MDM9206: All versions

MDM9250: All versions

MDM9607: All versions

MDM9626: All versions

MDM9628: All versions

MDM9640: All versions

MDM9650: All versions

MSM8909W: All versions

MSM8917: All versions

MSM8953: All versions

MSM8996AU: All versions

PMP8074: All versions

QCA4024: All versions

QCA6174: All versions

QCA6174A: All versions

QCA6310: All versions

QCA6320: All versions

QCA6335: All versions

QCA6390: All versions

QCA6391: All versions

QCA6420: All versions

QCA6426: All versions

QCA6428: All versions

QCA6430: All versions

QCA6436: All versions

QCA6438: All versions

QCA6564: 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

QCA6694: All versions

QCA6696: All versions

QCA7500: All versions

QCA7520: All versions

QCA7550: All versions

QCA8072: All versions

QCA8075: All versions

QCA8081: All versions

QCA8337: All versions

QCA9367: All versions

QCA9377: All versions

QCA9531: All versions

QCA9558: All versions

QCA9561: All versions

QCA9563: All versions

QCA9880: All versions

QCA9882: All versions

QCA9886: All versions

QCA9887: All versions

QCA9888: All versions

QCA9889: All versions

QCA9896: All versions

QCA9898: All versions

QCA9980: All versions

QCA9982: All versions

QCA9984: All versions

QCA9985: All versions

QCA9986: All versions

QCA9987: All versions

QCA9988: All versions

QCA9990: All versions

QCA9992: All versions

QCA9994: All versions

QCM2290: All versions

QCM4290: All versions

QCM6125: All versions

QCN3018: All versions

QCN5021: All versions

QCN5022: All versions

QCN5024: All versions

QCN5052: All versions

QCN5054: All versions

QCN5064: All versions

QCN5121: All versions

QCN5122: All versions

QCN5124: All versions

QCN5152: All versions

QCN5154: All versions

QCN5164: All versions

QCN5500: All versions

QCN5502: All versions

QCN5550: All versions

QCN6023: All versions

QCN6024: All versions

QCN6122: All versions

QCN9000: All versions

QCN9012: All versions

QCN9022: All versions

QCN9024: All versions

QCN9070: All versions

QCN9072: All versions

QCN9074: All versions

QCN9100: All versions

QCS2290: All versions

QCS405: All versions

QCS410: All versions

QCS4290: All versions

QCS603: All versions

QCS605: All versions

QCS610: All versions

QCS6125: All versions

QCX315: All versions

QRB5165: All versions

Qualcomm215: 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

SD455: All versions

SD636: All versions

SD675: All versions

SD205: All versions

SD210: All versions

SD429: All versions

SD439: All versions

SD450: All versions

SD460: All versions

SD480: All versions

SD632: All versions

SD662: All versions

SD665: All versions

SD670: All versions

SD678: All versions

SD6905G: All versions

SD720G: All versions

SD730: All versions

SD750G: 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

SDM429W: All versions

SDM630: All versions

SDM830: All versions

SDW2500: All versions

SDX12: All versions

SDX20: All versions

SDX20M: All versions

SDX24: All versions

SDX50M: All versions

SDX55: All versions

SDX55M: All versions

SDXR1: All versions

SDXR25G: All versions

SM4125: All versions

SM6250: All versions

SM6250P: All versions

SM7250: All versions

SM7325: All versions

WCD9330: All versions

WCD9340: All versions

WCD9370: All versions

WCD9371: All versions

WCD9375: All versions

WCD9380: All versions

WCD9385: All versions

WCN3610: All versions

WCN3615: All versions

WCN3620: All versions

WCN3660: All versions

WCN3660B: All versions

WCN3680: All versions

WCN3680B: All versions

WCN3910: All versions

WCN3950: All versions

WCN3988: All versions

WCN3991: All versions

WCN3998: All versions

WCN3999: All versions

WCN6740: All versions

WCN6750: All versions

WCN6850: All versions

WCN6851: All versions

WCN6856: All versions

WSA8810: All versions

WSA8815: All versions

WSA8830: All versions

WSA8835: All versions

External links
https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin
https://source.codeaurora.org/quic/la/platform/external/wpa_supplicant_8/commit/?id=a45c1c6d0ea54375c470a5a2d44bc479d0d72e2d

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.

Latest bulletins with this vulnerability

Multiple vulnerabilities in Qualcomm chipsets