Out-of-bounds read in QEMU - CVE-2020-13253

 

Out-of-bounds read in QEMU - CVE-2020-13253

Published: May 27, 2020


Vulnerability identifier: #VU28283
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-13253
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

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

The vulnerability exists due to a boundary condition in the SD Memory Card emulator while performing block write commands via sdhci_write() in QEMU. A remote user of guest operating system can trigger out-of-bounds read error and crash the QEMU process. 


How to mitigate CVE-2020-13253

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources