CVE-2012-4516 Missing authorization in n/a
Remote attackers can manipulate address resolution information in librdmacm when the ibacm.port configuration is omitted, potentially redirecting RDMA traffic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-4516?
CVE-2012-4516 is a medium-severity missing authorization vulnerability in n/a, published on 22 Oct 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
librdmacm 1.0.16, when ibacm.port is not specified, connects to port 6125, which allows remote attackers to specify the address resolution information for the application via a malicious ib_acm service.
Which versions are affected by CVE-2012-4516?
It affects 1 product.
Products include Openfabrics Librdmacm.
How do I fix CVE-2012-4516?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2012-4516 being exploited?
There is no known exploitation of CVE-2012-4516 in the wild and no public exploit code.
Sources
Also known as GHSA-3rqm-rhmf-8f37, UBUNTU-CVE-2012-4516.