CVE-2017-12998 Memory corruption in n/a
A buffer over-read in the IS-IS 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-2017-12998?
CVE-2017-12998 is a critical memory corruption vulnerability in Tcpdump Tcpdump, 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 IS-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c:isis_print_extd_ip_reach().
Weakness: CWE-125
Which versions are affected by CVE-2017-12998?
It affects 1 product.
Products include Tcpdump Tcpdump.
How do I fix CVE-2017-12998?
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-2017-12998 being exploited?
There is no known exploitation of CVE-2017-12998 in the wild and no public exploit code.
Other vulnerabilities in Tcpdump Tcpdump
Sources
Also known as DEBIAN-CVE-2017-12998, GHSA-5pf3-jh29-wp68, UBUNTU-CVE-2017-12998.