CVE-2017-15118

Description

A stack-based buffer overflow vulnerability was found in NBD server implementation in qemu before 2.11 allowing a client to request an export name of size up to 4096 bytes, which in fact should be limited to 256 bytes, causing an out-of-bounds stack write in the qemu process. If NBD server requires TLS, the attacker cannot trigger the buffer overflow without first successfully negotiating TLS.

How to fix CVE-2017-15118

To remediate CVE-2017-15118, upgrade the affected package to a fixed version below.

• —upgrade to 1:2.11+dfsg-1 or later

Is CVE-2017-15118 being exploited?

Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 1:2.11+dfsg-1

CVSS scores

References (1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2017-15118