Out-of-bounds read in QEMU - CVE-2017-2620

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Main Vulnerability Database Vulnerabilities #VU31986

Out-of-bounds read in QEMU - CVE-2017-2620

Published: July 28, 2020


Vulnerability identifier: #VU31986
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-2620
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.


Remediation

Install updates from vendor's website.

External links