Integer overflow in Videolabs Libmicrodns
CVE-2020-6073
An exploitable denial-of-service vulnerability exists in the TXT record-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing the RDATA section in a TXT record in mDNS messages, multiple integer overflows can be triggered, leading to a denial of service. An attacker can send an mDNS message to trigger this vulnerability.
Vulnerability class: Integer Overflow
EPSS: 0.024 (82.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Videolabs Libmicrodns — versions 0.1.0
- Debian Debian_linux — versions 9.0
- N/a Videolabs — versions Videolabs libmicrodns 0.1.0
Weakness classification (CWE)
References
- talos-cna@cisco.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- talos-cna@cisco.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-6073?
- CVE-2020-6073 is a high-severity vulnerability in Videolabs Libmicrodns, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2020-03-24.
- How severe is CVE-2020-6073?
- High severity. CVSS v3 base score is 7.5 out of 10.