high7.5
CVE-2020-6079
An exploitable denial-of-service vulnerability exists in the resource allocation handling of Videolabs libmicrodns 0.1.0.
Impact
An exploitable denial-of-service vulnerability exists in the resource allocation handling of Videolabs libmicrodns 0.1.0. When encountering errors while parsing mDNS messages, some allocated data is not freed, possibly leading to a denial-of-service condition via resource exhaustion. An attacker can send one mDNS message repeatedly to trigger this vulnerability through decoding of the domain name performed by rr_decode.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Videolabs | Libmicrodns | Version 0.1.0 |
| Debian | Debian Linux | Versions 9.0, 10.0 |