CVE-2018-20180

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function rdpsnddbg_process() and…

published March 15, 2019

CVSS
—
EPSS
8%
Percentile
94.8
In the wild
Unconfirmed
What it is

⚠️ An integer underflow in rdesktop can take a wrong turn, leading to a heap-based buffer overflow! 😱 Think of it like overfilling a glass of water — when you go over the edge, things get messy! In this case, the overflow can cause memory corruption, creating a perfect storm for a sneaky remote code execution. If exploited, an attacker could potentially run their code on the victim's system, effectively taking control. While this vulnerability hasn't been widely exploited yet, the possibility of havoc exists, making it worth your attention!

Put simply

Think of it like overfilling a glass of water — when you go over the edge, things get messy! In this case, the overflow can cause memory corruption, creating a perfect storm for a sneaky remote code execution. This vulnerability arises from an integer underflow in the `rdpsnddbg_process()` function of rdesktop versions up to and including v1.8.3, which leads to a heap-based buffer overflow and results in memory corruption.

What to do

If exploited, an attacker could potentially run their code on the victim's system, effectively taking control. While this vulnerability hasn't been widely exploited yet, the possibility of havoc exists, making it worth your attention! To protect yourself, upgrade rdesktop to the latest version available as it should address this underlying flaw. Regularly check for updates to ensure you’re not running a vulnerable version! You've got this! With a quick update, you’ll patch this hole in no time and keep your systems running smoothly! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.08214 · 94.8th percentile
Published
2019-03-15T18:00Z
EPSS history
Timeline
  • 15 MAR 18:00Z
    rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function rdpsnddbg_process() and…
    cvelistv5