CVE-2017-11541 Memory corruption in n/a
A heap-based buffer over-read in tcpdump allows attackers to cause denial of service or disclose sensitive memory contents via crafted LLDP 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-2017-11541?
CVE-2017-11541 is a critical memory corruption vulnerability in Tcpdump Tcpdump, published on 23 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tcpdump 4.9.0 has a heap-based buffer over-read in the lldp_print function in print-lldp.c, related to util-print.c.
Weakness: CWE-125
Which versions are affected by CVE-2017-11541?
It affects 1 product.
Products include Tcpdump Tcpdump.
How do I fix CVE-2017-11541?
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-2017-11541 being exploited?
There is no known exploitation of CVE-2017-11541 in the wild and no public exploit code.
Other vulnerabilities in Tcpdump Tcpdump
Sources
Also known as DEBIAN-CVE-2017-11541, GHSA-q7cx-f48p-82m3, UBUNTU-CVE-2017-11541.