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CVE-2015-2809

Description

The Multicast DNS (mDNS) responder in Synology DiskStation Manager (DSM) before 3.1 inadvertently responds to unicast queries with source addresses that are not link-local, which allows remote attackers to cause a denial of service (traffic amplification) or obtain potentially sensitive information via port-5353 UDP packets to the Avahi component.

POC

Reference

- http://www.kb.cert.org/vuls/id/550620

- http://www.kb.cert.org/vuls/id/BLUU-9TLSHD

Github

- https://github.com/ARPSyndicate/cvemon