Vulnerability Description
An exploitable code execution vulnerability exists in the label-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing compressed labels in mDNS messages, the rr_decode function's return value is not checked, leading to a double free that could be exploited to execute arbitrary code. An attacker can send an mDNS message to trigger this vulnerability.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Videolabs | Libmicrodns | 0.1.0 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://security.gentoo.org/glsa/202005-10Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995ExploitTechnical DescriptionThird Party Advisory
- https://www.debian.org/security/2020/dsa-4671Third Party Advisory
- https://security.gentoo.org/glsa/202005-10Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995ExploitTechnical DescriptionThird Party Advisory
- https://www.debian.org/security/2020/dsa-4671Third Party Advisory
FAQ
What is CVE-2020-6072?
CVE-2020-6072 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An exploitable code execution vulnerability exists in the label-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing compressed labels in mDNS messages, the rr_decode function's return v...
How severe is CVE-2020-6072?
CVE-2020-6072 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-6072?
Check the references section above for vendor advisories and patch information. Affected products include: Videolabs Libmicrodns, Debian Debian Linux.