#VU27544 Buffer overflow in QEMU - CVE-2020-11102

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Main Vulnerability Database Vulnerabilities #VU27544

#VU27544 Buffer overflow in QEMU - CVE-2020-11102

Published: May 5, 2020


Vulnerability identifier: #VU27544
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-11102
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

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

The vulnerability exists due to a boundary within hw/net/tulip.c in QEMU during the copying of tx/rx buffers because the frame size is not validated against the r/w data length. A remote attacker can  trigger memory corruption and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

External links