CVE-2017-6519
9.1 · CRITICALOverview
CVE-2017-6519 is a critical-severity vulnerability affecting avahi avahi. It was published on May 1, 2017 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link, which allows remote attackers to cause a denial of service (traffic amplification) and may cause information leakage by obtaining potentially sensitive information from the responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809.
Remediation
Check the references section for vendor advisories and patches from avahi. Update avahi to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| avahi | avahi | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2017-6519?
CVE-2017-6519 is a critical-severity vulnerability affecting avahi avahi. It was published on May 1, 2017 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2017-6519?
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-6519?
Check the references section for vendor advisories and patches from avahi. Update avahi to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-6519?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-6519 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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