CVE-2016-4046 Server-side request forgery in n/a
Attackers can abuse the external mail account API to perform Server-Side Request Forgery, mapping internal network components and gathering infrastructure configuration information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-4046?
CVE-2016-4046 is a medium-severity server-side request forgery vulnerability in Open-Xchange Open-Xchange Appsuite, published on 15 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. The API to configure external mail accounts can be abused to map and access network components within the trust boundary of the operator. Users can inject arbitrary hosts and ports to API calls. Depending on the response type, content and latency, information about existence of hosts and services can be gathered. Attackers can get internal configuration information about the infrastructure of an operator to prepare subsequent attacks.
Weakness: CWE-918
Which versions are affected by CVE-2016-4046?
It affects 1 product.
Products include Open-Xchange Open-Xchange Appsuite.
How do I fix CVE-2016-4046?
No fix has been published for CVE-2016-4046 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2016-4046 being exploited?
There is no known exploitation of CVE-2016-4046 in the wild and no public exploit code.
Other vulnerabilities in Open-Xchange Open-Xchange Appsuite
Sources
Also known as GHSA-cq56-w8h5-cwcj.