CVE-2017-7482 Integer overflow in kernel:
An integer overflow in Linux kernel Kerberos 5 ticket decoding allows attackers to cause memory corruption and potentially escalate privileges.
- 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-2017-7482?
CVE-2017-7482 is a high-severity vulnerability in Debian Debian Linux, published on 30 Jul 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.
Weakness: CWE-190
Which versions are affected by CVE-2017-7482?
It affects 3 products.
Products include Debian Debian Linux, Linux kernel, Redhat Enterprise Mrg.
How do I fix CVE-2017-7482?
Apply the vendor's patch.
Is CVE-2017-7482 being exploited?
There is no known exploitation of CVE-2017-7482 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-7482, GHSA-2x6j-879g-gpqr, UBUNTU-CVE-2017-7482.