CVE-2018-20177

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

published March 15, 2019

CVSS
—
EPSS
8%
Percentile
94.7
In the wild
Unconfirmed
What it is

⚠️ A pesky integer overflow lurks in rdesktop's code, leading to a heap-based buffer overflow! 🐞 Think of it like a crowded theater where one seat is a little too small; when someone oversized tries to squeeze in, it can cause a chain reaction, spilling popcorn everywhere and maybe even toppling a few seats! This vulnerability could allow an attacker to corrupt memory, potentially leading to remote code execution—that’s like giving someone backstage access to a show they shouldn't be in! While no known exploits are reported, the risk of an attack is still a reason to be cautious and proactive.

Put simply

Think of it like a crowded theater where one seat is a little too small; when someone oversized tries to squeeze in, it can cause a chain reaction, spilling popcorn everywhere and maybe even toppling a few seats! In rdesktop versions up to and including v1.8.3, an integer overflow in the function rdp_in_unistr() results in a heap-based buffer overflow, which could be exploited for memory corruption, possibly leading to remote execution of malicious code.

What to do

This vulnerability could allow an attacker to corrupt memory, potentially leading to remote code execution—that’s like giving someone backstage access to a show they shouldn't be in! While no known exploits are reported, the risk of an attack is still a reason to be cautious and proactive. To protect yourself, update rdesktop to the latest version right away! Ensure you're running v1.8.4 or later to patch this issue, and consider reviewing your application security practices. You've got this! Stay vigilant and secure those systems! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.07934 · 94.7th 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 Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results…
    cvelistv5