CVE-2003-0856 Denial of service in n/a
Local attackers can cause a denial of service in iproute by sending spoofed netlink messages to the kernel.
- 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-2003-0856?
CVE-2003-0856 is a medium-severity denial of service vulnerability in n/a, published on 18 Nov 2003. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
iproute 2.4.7 and earlier allows local users to cause a denial of service via spoofed messages as other users to the kernel netlink interface.
Which versions are affected by CVE-2003-0856?
It affects 1 product.
Linux distribution packages (8)
iproute Red Hat:enterprise_linux:3::as | All versions | 0:2.4.7-11.30E.1 |
iproute-debuginfo Red Hat:enterprise_linux:3::as | All versions | 0:2.4.7-11.30E.1 |
iproute Red Hat:enterprise_linux:3::desktop | All versions | 0:2.4.7-11.30E.1 |
iproute-debuginfo Red Hat:enterprise_linux:3::desktop | All versions | 0:2.4.7-11.30E.1 |
iproute Red Hat:enterprise_linux:3::es | All versions | 0:2.4.7-11.30E.1 |
iproute-debuginfo Red Hat:enterprise_linux:3::es | All versions | 0:2.4.7-11.30E.1 |
iproute Red Hat:enterprise_linux:3::ws | All versions | 0:2.4.7-11.30E.1 |
iproute-debuginfo Red Hat:enterprise_linux:3::ws | All versions | 0:2.4.7-11.30E.1 |
Products include Stephen Hemminger Iproute.
How do I fix CVE-2003-0856?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2003-0856 being exploited?
There is no known exploitation of CVE-2003-0856 in the wild and no public exploit code.
Sources
Also known as DSA-492, GHSA-j7g5-v8cf-3phm, RHSA-2003:317.