CVE-2017-11108 Denial of service in n/a
Remote attackers can cause a denial of service via crafted packet data triggering a heap-based buffer over-read in tcpdump.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-11108?
CVE-2017-11108 is a high-severity denial of service vulnerability in Tcpdump Tcpdump, published on 8 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 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via crafted packet data. The crash occurs in the EXTRACT_16BITS function, called from the stp_print function for the Spanning Tree Protocol.
Weakness: CWE-125
Which versions are affected by CVE-2017-11108?
It affects 1 product.
Products include Tcpdump Tcpdump.
How do I fix CVE-2017-11108?
Upgrade to a fixed version.
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-2017-11108 being exploited?
There is no known exploitation of CVE-2017-11108 in the wild and no public exploit code.
Other vulnerabilities in Tcpdump Tcpdump
Sources
Also known as ALPINE-CVE-2017-11108, DEBIAN-CVE-2017-11108, GHSA-rr85-pcqj-p9q5, MGASA-2017-0241, UBUNTU-CVE-2017-11108.