Integer overflow in QEMU - CVE-2018-19665

 

Integer overflow in QEMU - CVE-2018-19665

Published: November 30, 2018


Vulnerability identifier: #VU16198
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/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-2018-19665
CWE-ID: CWE-190
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

The vulnerability allows an adjacent attacker to cause DoS condition on the target system.

The vulnerability exists due to integer overflow in various Bluetooth functions in routines wherein 'len' parameter is a 'signed int' which subsequently converts to an unsigned integer. An adjacent attacker can trigger memory corruption and cause the service to crash.


How to mitigate CVE-2018-19665

Install update from vendor's website.

Sources