CVE-2017-12896 Memory corruption in n/a
A buffer over-read in tcpdump's ISAKMP parser allows attackers to cause denial of service or disclose sensitive memory contents via crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-12896?
CVE-2017-12896 is a critical memory corruption vulnerability in Debian Debian Linux, published on 14 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().
Weakness: CWE-125
Which versions are affected by CVE-2017-12896?
It affects 5 products.
Products include Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Tcpdump Tcpdump.
How do I fix CVE-2017-12896?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-12896 being exploited?
There is no known exploitation of CVE-2017-12896 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-12896, GHSA-ch7r-94xh-53ff, UBUNTU-CVE-2017-12896.