CVE-2017-15119

Qemu vulnerability

CVSS

5.8

EPSS

3.3%

EPSS pct

87th

Exploited

No known

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.

Affected vendor

Qemu

Affected product

Qemu

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Weakness type (CWE)

CWE-400 — Uncontrolled Resource Consumption

Published

2018-07-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2017-15119

Confirm whether Qemu Qemu is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-15119.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-15119

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