CVE-2015-2809

critical

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.

References

http://www.securityfocus.com/bid/73683

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

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

Details

Source: Mitre, NVD

Published: 2015-04-01

Updated: 2016-07-29

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Severity: Critical