CVE-2016-4435 Missing authorization in Cloud Foundry
Unauthenticated attackers can read or write blobs and cause denial of service on BOSH Director VMs by guessing GUIDs.
- 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-2016-4435?
CVE-2016-4435 is a critical missing authorization vulnerability in Pivotal Cloud Foundry, published on 25 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An endpoint of the Agent running on the BOSH Director VM with stemcell versions prior to 3232.6 and 3146.13 may allow unauthenticated clients to read or write blobs or cause a denial of service attack on the Director VM. This vulnerability requires that the unauthenticated clients guess or find a URL matching an existing GUID.
Weakness: CWE-264
Which versions are affected by CVE-2016-4435?
It affects 1 product.
Products include Pivotal Bosh Stemcell.
How do I fix CVE-2016-4435?
No fix has been published for CVE-2016-4435 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2016-4435 being exploited?
There is no known exploitation of CVE-2016-4435 in the wild and no public exploit code.
Sources
Also known as GHSA-3rx5-2rm5-fvhx.