Out-of-bounds read in QEMU - CVE-2017-2615

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Main Vulnerability Database Vulnerabilities #VU31987

Out-of-bounds read in QEMU - CVE-2017-2615

Published: July 28, 2020


Vulnerability identifier: #VU31987
CSH Severity: Low
CVSS v4.0: 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-2017-2615
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

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

Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.


How to mitigate CVE-2017-2615

Install updates from vendor's website.

Sources