Vulnerability identifier: #VU64043

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-2021-35111

CWE-ID: CWE-367

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
AR8035
Mobile applications / Mobile firmware & hardware
QCA6390
Mobile applications / Mobile firmware & hardware
QCA6391
Mobile applications / Mobile firmware & hardware
QCA8081
Mobile applications / Mobile firmware & hardware
QCA8337
Mobile applications / Mobile firmware & hardware
SD 8 Gen1 5G
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
SD865 5G
Mobile applications / Mobile firmware & hardware
SD870
Mobile applications / Mobile firmware & hardware
SD888 5G
Mobile applications / Mobile firmware & hardware
SDX55M
Mobile applications / Mobile firmware & hardware
SDX65
Mobile applications / Mobile firmware & hardware
SM7250P
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
WCN3991
Mobile applications / Mobile firmware & hardware
WCN3998
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
WCN7851
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
SDX55
Hardware solutions / Firmware
SM7450
Hardware solutions / Firmware
SM8475
Hardware solutions / Firmware
SM8475P
Hardware solutions / Firmware
WSA8832
Hardware solutions / Firmware

Vendor: Qualcomm

Description

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

The vulnerability exists due to improper validation of tag id while RRC sending tag id to MAC within Modem. A remote attacker can perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AR8035: All versions

QCA6390: All versions

QCA6391: All versions

QCA8081: All versions

QCA8337: All versions

SD 8 Gen1 5G: All versions

SD765: All versions

SD765G: All versions

SD768G: All versions

SD778G: All versions

SD865 5G: All versions

SD870: All versions

SD888 5G: All versions

SDX55: All versions

SDX55M: All versions

SDX65: All versions

SM7250P: All versions

SM7450: All versions

SM8475: All versions

SM8475P: All versions

WCD9341: All versions

WCD9370: All versions

WCD9375: All versions

WCD9380: All versions

WCD9385: All versions

WCN3991: All versions

WCN3998: All versions

WCN6750: All versions

WCN6850: All versions

WCN6851: All versions

WCN6855: All versions

WCN6856: All versions

WCN7851: All versions

WSA8810: All versions

WSA8815: All versions

WSA8830: All versions

WSA8832: All versions

WSA8835: All versions

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External links
http://docs.qualcomm.com/product/publicresources/securitybulletin/june-2022-bulletin.html

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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.