CVE-2020-6078
7.5
HIGH
CVSS 3.1
EPSS 0.55%
Description
An exploitable denial-of-service vulnerability exists in the message-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing mDNS messages in mdns_recv, the return value of the mdns_read_header function is not checked, leading to an uninitialized variable usage that eventually results in a null pointer dereference, leading to service crash. An attacker can send a series of mDNS messages to trigger this vulnerability.
How to fix CVE-2020-6078
To remediate CVE-2020-6078, upgrade the affected package to a fixed version below.
- —upgrade to 0.2.0-1 or later
- —upgrade to 3.0.8-4 or later
Is CVE-2020-6078 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.2.0-1
- from 0, < 3.0.8-4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |