CVE-2018-18407 Memory corruption in n/a
A heap-based buffer over-read in Tcpreplay allows attackers to cause a denial of service via crafted packets during checksum operations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-18407?
CVE-2018-18407 is a medium-severity memory corruption vulnerability in Broadcom Tcpreplay, published on 17 Oct 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A heap-based buffer over-read was discovered in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1, during the incremental checksum operation. The issue gets triggered in the function csum_replace4() in incremental_checksum.h, causing a denial of service.
Weakness: CWE-125
Which versions are affected by CVE-2018-18407?
It affects 2 products.
Products include Broadcom Tcpreplay, Fedoraproject Fedora.
How do I fix CVE-2018-18407?
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-2018-18407 being exploited?
There is no known exploitation of CVE-2018-18407 in the wild and no public exploit code.
Other vulnerabilities in Broadcom Tcpreplay
Sources
Also known as DEBIAN-CVE-2018-18407, GHSA-7jw9-xj3x-9jqh, UBUNTU-CVE-2018-18407.