CVE-2008-3525 Missing authorization in n/a
Local users can bypass capability restrictions in the Linux kernel WAN subsystem due to missing authorization checks in ioctl handlers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2008-3525?
CVE-2008-3525 is a high-severity missing authorization vulnerability in Linux kernel, published on 3 Sep 2008. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The sbni_ioctl function in drivers/net/wan/sbni.c in the wan subsystem in the Linux kernel 2.6.26.3 does not check for the CAP_NET_ADMIN capability before processing a (1) SIOCDEVRESINSTATS, (2) SIOCDEVSHWSTATE, (3) SIOCDEVENSLAVE, or (4) SIOCDEVEMANSIPATE ioctl request, which allows local users to bypass intended capability restrictions.
Weakness: CWE-264
Which versions are affected by CVE-2008-3525?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2008-3525?
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-2008-3525 being exploited?
There is no known exploitation of CVE-2008-3525 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-5cgv-pmc9-c3v3.