Heap out-of-bounds read in QEMU - CVE-2018-16847

 

Heap out-of-bounds read in QEMU - CVE-2018-16847

Published: December 17, 2018


Vulnerability identifier: #VU16556
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-16847
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists in nvme_cmb_ops routines in nvme device due to OOB heap buffer read access issue in the NVM Express Controller emulation'. An adjacent attacker can crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.


Affected software

QEMU
Opensuse
Fedora
qemu

How to mitigate CVE-2018-16847

Install update from vendor's website.

qemu - update to 3.0.0-2.fc29

External References

Related Security Bulletins