CVE-2016-9565 Path traversal in n/a

Critical 9.8 Published 15 Dec 2016 Updated 6 Aug 2024

Remote attackers can read or write arbitrary files in Nagios Core by spoofing RSS feed responses due to insufficient path validation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2016-9565?

CVE-2016-9565 is a critical path traversal vulnerability in n/a, published on 15 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MagpieRSS, as used in the front-end component in Nagios Core before 4.2.2 might allow remote attackers to read or write to arbitrary files by spoofing a crafted response from the Nagios RSS feed server. NOTE: this vulnerability exists because of an incomplete fix for CVE-2008-4796.

Weakness: CWE-284

Which versions are affected by CVE-2016-9565?

It affects 1 product.

Products include Nagios Nagios.

How do I fix CVE-2016-9565?

Upgrade to a fixed version.

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

Is CVE-2016-9565 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-9565 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-828p-3vwg-wc22.