Vulnerability identifier: #VU61838

Vulnerability risk: Low

CVSSv3.1: 7.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30339

CWE-ID: CWE-320

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
AR8035
Mobile applications / Mobile firmware & hardware
QCA6391
Mobile applications / Mobile firmware & hardware
QCA8081
Mobile applications / Mobile firmware & hardware
QCA8337
Mobile applications / Mobile firmware & hardware
QCA9984
Mobile applications / Mobile firmware & hardware
QCM2290
Mobile applications / Mobile firmware & hardware
QCM4290
Mobile applications / Mobile firmware & hardware
QCM6490
Mobile applications / Mobile firmware & hardware
QCS2290
Mobile applications / Mobile firmware & hardware
QCS4290
Mobile applications / Mobile firmware & hardware
QCS6490
Mobile applications / Mobile firmware & hardware
SD8Gen15G
Mobile applications / Mobile firmware & hardware
SD460
Mobile applications / Mobile firmware & hardware
SD480
Mobile applications / Mobile firmware & hardware
SD662
Mobile applications / Mobile firmware & hardware
SD680
Mobile applications / Mobile firmware & hardware
SD6905G
Mobile applications / Mobile firmware & hardware
SD750G
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
SD8885G
Mobile applications / Mobile firmware & hardware
SDX57M
Mobile applications / Mobile firmware & hardware
SDX65
Mobile applications / Mobile firmware & hardware
SM6375
Mobile applications / Mobile firmware & hardware
SM7250P
Mobile applications / Mobile firmware & hardware
SM7315
Mobile applications / Mobile firmware & hardware
SM7325P
Mobile applications / Mobile firmware & hardware
SW5100
Mobile applications / Mobile firmware & hardware
SW5100P
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
WCN3910
Mobile applications / Mobile firmware & hardware
WCN3950
Mobile applications / Mobile firmware & hardware
WCN3980
Mobile applications / Mobile firmware & hardware
WCN3988
Mobile applications / Mobile firmware & hardware
WCN3991
Mobile applications / Mobile firmware & hardware
WCN3998
Mobile applications / Mobile firmware & hardware
WCN3999
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
QCS405
Hardware solutions / Firmware
SD888
Hardware solutions / Firmware

Vendor: Qualcomm

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to improper key management when reading PRNG output. A malicious application can escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AR8035: All versions

QCA6391: All versions

QCA8081: All versions

QCA8337: All versions

QCA9984: All versions

QCM2290: All versions

QCM4290: All versions

QCM6490: All versions

QCS2290: All versions

QCS405: All versions

QCS4290: All versions

QCS6490: All versions

SD8Gen15G: All versions

SD460: All versions

SD480: All versions

SD662: All versions

SD680: All versions

SD6905G: All versions

SD750G: All versions

SD765: All versions

SD765G: All versions

SD768G: All versions

SD778G: All versions

SD780G: All versions

SD888: All versions

SD8885G: All versions

SDX57M: All versions

SDX65: All versions

SM6375: All versions

SM7250P: All versions

SM7315: All versions

SM7325P: All versions

SW5100: All versions

SW5100P: All versions

WCD9370: All versions

WCD9375: All versions

WCD9380: All versions

WCD9385: All versions

WCN3910: All versions

WCN3950: All versions

WCN3980: 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

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/april-2022-bulletin

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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