CVE-2022-23477CWE-120

Buffer Overflow in xrdp

Critical · published December 9, 2022

CVSS v3.1
9.1
EPSS
1%
Percentile
60.1
In the wild
Unconfirmed
What it is

🔥 A critical buffer overflow lurks in xrdp below version 0.9.21, ready to let attackers slip in undetected! Think of this vulnerability like a faulty security guard at a high-end club who lets anyone past the velvet rope without checking for a valid ID. This oversight could let malicious users access confidential data or even take over remote machines! If exploited, an attacker could easily gain unauthorized access to your remote sessions, leading to shocking consequences like data theft or system manipulation. It’s a situation that could spiral out of control, with risks to both personal and organizational security!

Put simply

Think of this vulnerability like a faulty security guard at a high-end club who lets anyone past the velvet rope without checking for a valid ID. This oversight could let malicious users access confidential data or even take over remote machines! The flaw exists in the audin_send_open() function of xrdp, where a buffer overflow can be triggered, allowing unintended memory access. This means that rogue actors could execute arbitrary code on the vulnerable system if they manage to exploit this weakness.

What to do

If exploited, an attacker could easily gain unauthorized access to your remote sessions, leading to shocking consequences like data theft or system manipulation. It’s a situation that could spiral out of control, with risks to both personal and organizational security! To protect yourself, immediately upgrade xrdp to version 0.9.21 or higher. Since there are no known workarounds, updating is crucial to safeguard your remote machines from potential threats! You've got this! By following these steps, you'll secure your remote access like a pro. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00927 · 60.1th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2022-12-09T17:51Z
EPSS history
Timeline
  • 09 DEC 17:51Z
    Buffer Overflow in xrdp
    cvelistv5