Buffer overflow in Qualcomm Mobile applications

#VU57891 Buffer overflow in Qualcomm Mobile applications

Published: 2021-11-03

Vulnerability identifier: #VU57891

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30321

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vendor: Qualcomm

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to lack of parameter length check during MBSSID scan IE parse. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AQT1000: All versions

QCA1062: All versions

QCA1064: All versions

QCA2066: All versions

QCA6320: All versions

QCA6391: All versions

QCA6420: All versions

QCA6430: All versions

SC8280XP: All versions

SD 8CX: All versions

WCD9340: All versions

WCD9341: All versions

WCD9380: All versions

WCD9385: All versions

WCN3998: 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

External links
http://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin

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