Vulnerability Details : CVE-2018-16847
An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2018-16847
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:3.1.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:3.1.0:rc1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-16847
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-16847
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
7.0
|
HIGH | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H |
1.1
|
5.3
|
Red Hat, Inc. | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-16847
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2018-16847
-
https://www.openwall.com/lists/oss-security/2018/11/02/1
oss-security - CVE-2018-16847 QEMU: nvme: Out-of-bounds r/w buffer access in cmb operationsMailing List;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/105866
QEMU CVE-2018-16847 Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847
1644052 – (CVE-2018-16847) CVE-2018-16847 QEMU: nvme: Out-of-bounds r/w buffer access in cmb operationsIssue Tracking;Patch;Third Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html
[Qemu-devel] [PATCH] nvme: fix oob access issue(CVE-2018-16847)Mailing List;Patch;Third Party Advisory
-
https://usn.ubuntu.com/3826-1/
USN-3826-1: QEMU vulnerabilities | Ubuntu security noticesThird Party Advisory
Jump to