Vulnerability Details : CVE-2017-15119
The Network Block Device (NBD) server in Quick Emulator (QEMU) before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from serving other requests, resulting in DoS.
Vulnerability category: Denial of service
Products affected by CVE-2017-15119
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
- 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:17.10:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Threat overview for CVE-2017-15119
Top countries where our scanners detected CVE-2017-15119
Top open port discovered on systems with this issue
8200
IPs affected by CVE-2017-15119 24
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2017-15119!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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Exploit prediction scoring system (EPSS) score for CVE-2017-15119
1.87%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-15119
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
Red Hat, Inc. | |
|
8.6
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |
3.9
|
4.0
|
NIST | |
|
5.8
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L |
3.9
|
1.4
|
Red Hat, Inc. |
CWE ids for CVE-2017-15119
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2017-15119
-
http://www.securityfocus.com/bid/102011
QEMU 'b/nbd/server.c' Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://usn.ubuntu.com/3575-1/
USN-3575-1: QEMU vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05044.html
[Qemu-devel] [PULL 1/2] nbd/server: CVE-2017-15119 Reject options largerMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:1104
RHSA-2018:1104 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2017/11/28/9
oss-security - CVE-2017-15119 Qemu: DoS via large option requestMailing List;Patch;Third Party Advisory
-
https://www.debian.org/security/2018/dsa-4213
Debian -- Security Information -- DSA-4213-1 qemuThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:1113
RHSA-2018:1113 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15119
1516925 – (CVE-2017-15119) CVE-2017-15119 qemu: DoS via large option requestIssue Tracking;Patch;Third Party Advisory
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