CVE-2017-12074 Path traversal in Synology DNS Server

Medium 6.5 Published 24 Aug 2017 Updated 16 Sep 2024

Authenticated attackers can write arbitrary files via directory traversal in Synology DNS Server, potentially compromising system integrity.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-12074?

CVE-2017-12074 is a medium-severity path traversal vulnerability in Synology DNS Server, published on 24 Aug 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Directory traversal vulnerability in the SYNO.DNSServer.Zone.MasterZoneConf in Synology DNS Server before 2.2.1-3042 allows remote authenticated attackers to write arbitrary files via the domain_name parameter.

Weakness: CWE-22

Which versions are affected by CVE-2017-12074?

It affects 1 product.

Products include Synology Dns Server.

How do I fix CVE-2017-12074?

No fix has been published for CVE-2017-12074 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2017-12074 being exploited?

There is no known exploitation of CVE-2017-12074 in the wild and no public exploit code.

CVE-2022-27615 Path traversal in DNS Server High 7.7

Sources

Also known as GHSA-mqph-37g3-x4m7.