CVE-2018-20179 Integer overflow in n/a

Critical 9.8 Published 15 Mar 2019 Updated 5 Aug 2024

An integer underflow in rdesktop leads to heap-based buffer overflow, allowing remote attackers to execute arbitrary code.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-20179?

CVE-2018-20179 is a critical vulnerability in n/a, published on 15 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function lspci_process() and results in memory corruption and probably even a remote code execution.

Weakness: CWE-191

Which versions are affected by CVE-2018-20179?

It affects 1 product.

Products include Rdesktop Rdesktop.

How do I fix CVE-2018-20179?

Upgrade to a fixed version.

Is CVE-2018-20179 being exploited?

There is no known exploitation of CVE-2018-20179 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2018-20179, DEBIAN-CVE-2018-20179, GHSA-4q64-7w7g-5x5w, UBUNTU-CVE-2018-20179.