#VU55511 Buffer Over-read in Qualcomm products - CVE-2021-1928

Cybersecurity Help s.r.o.

Published: 2021-08-03

Vulnerability identifier: #VU55511

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-1928

CWE-ID: CWE-126

Exploitation vector: Local

Exploit availability: No

Vendor: Qualcomm

Description

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

The vulnerability exists due to incorrect check of buffer size while flashing emmc devices. An attacker with physical access to device can perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

APQ8009: All versions

APQ8053: All versions

AR9380: All versions

CSR8811: All versions

IPQ4018: All versions

IPQ4019: All versions

IPQ4028: All versions

IPQ4029: All versions

IPQ5010: All versions

IPQ5018: 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

MDM9206: All versions

PMP8074: All versions

QCA4024: All versions

QCA6310: All versions

QCA6320: All versions

QCA6335: All versions

QCA6428: All versions

QCA6438: All versions

QCA6694: All versions

QCA7500: All versions

QCA8072: All versions

QCA8075: All versions

QCA8081: 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

QCA9990: All versions

QCA9992: All versions

QCA9994: 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

QCN9000: All versions

QCN9012: All versions

QCN9022: All versions

QCN9024: All versions

QCN9070: All versions

QCN9072: All versions

QCN9074: All versions

QCN9100: All versions

QFE1922: All versions

QFE1952: All versions

Qualcomm215: All versions

SD205: All versions

SD210: All versions

SDA429W: All versions

WCD9326: All versions

WCD9330: All versions

WCD9340: All versions

WCN3610: All versions

WCN3620: All versions

WCN3660B: All versions

WCN3680B: All versions

WCN3980: All versions

WSA8810: All versions

WSA8815: All versions

External links
https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin
https://source.codeaurora.org/quic/le/kernel/lk/commit/?id=183e867d1b648772b6e8cddcd140968f1f8d5ecd

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

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