CVE-2020-6078
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Videolabs Libmicrodns
PublishedMar 24, 2020
First seenMar 24, 2020
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| videolabs libmicrodns | 0.1.0 | — |
| debian debian_linux | 9.0, 10.0 | — |
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