User Impersonation Affecting lathiat/avahi package, versions [,0.7)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
2.09% (89th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-LATHIATAVAHI-2365874
  • published26 Jan 2022
  • disclosed1 May 2017
  • creditUnknown

Introduced: 1 May 2017

CVE-2017-6519  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade lathiat/avahi to version 0.7 or higher.

Overview

Affected versions of this package are vulnerable to User Impersonation 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.

CVSS Scores

version 3.1