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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.32% Top 15%
Third-Party Advisory cert.org Third-Party Advisory cert.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.kb.cert.org/vuls/id/BLUU-9TLSHD third party advisory us government resource
http://www.securityfocus.com/bid/73683 vdb entry
http://www.kb.cert.org/vuls/id/550620 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2015-2809?
CVE-2015-2809 has been scored as a medium severity vulnerability.
How to fix CVE-2015-2809?
To fix CVE-2015-2809, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-2809 being actively exploited in the wild?
It is possible that CVE-2015-2809 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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