CVE-2018-20553 Memory corruption in n/a

High 7.8 Published Updated

A heap-based buffer over-read in Tcpreplay allows attackers to cause denial of service or disclose sensitive memory contents.

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-2018-20553?

CVE-2018-20553 is a high-severity memory corruption vulnerability in Broadcom Tcpreplay, published on 28 Dec 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

Tcpreplay before 4.3.1 has a heap-based buffer over-read in get_l2len in common/get.c.

Weakness: CWE-125

Which versions are affected by CVE-2018-20553?

It affects 1 product.

Products include Broadcom Tcpreplay.

How do I fix CVE-2018-20553?

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-2018-20553 being exploited?

There is no known exploitation of CVE-2018-20553 in the wild and no public exploit code.

All Broadcom Tcpreplay vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-20553, GHSA-fqcf-3qqq-pqx8, UBUNTU-CVE-2018-20553.

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