CVE-2023-22783

Unauthenticated Buffer Overflow Vulnerabilities in Services Accessed by the PAPI Protocol

Critical ยท published May 8, 2023

CVSS v3.1
9.8
EPSS
2%
Percentile
81.3
In the wild
Unconfirmed
What it is

๐Ÿšจ Just a few specially crafted packets can grant total control over your system โ€” welcome to the world of buffer overflows! ๐Ÿ”ฅ Think of a buffer overflow like a delivery service that accepts oversized packages without checking the size โ€” if the delivery is too big, it spills over and disrupts everything around it. In this case, those crafted packets could overflow the service, letting an attacker take over as if they had the keys to the server! An attacker could send these rogue packets to the PAPI UDP port, leading to unauthorized remote code execution with the privileges of a system user. This means they could run any code they want on your system โ€” a scenario that could be absolutely devastating for your network and data integrity!

Put simply

Think of a buffer overflow like a delivery service that accepts oversized packages without checking the size โ€” if the delivery is too big, it spills over and disrupts everything around it. In this case, those crafted packets could overflow the service, letting an attacker take over as if they had the keys to the server! This vulnerability arises from insufficient input validation in multiple services handling Aruba's access point management protocol, allowing malicious packets to overwrite memory and execute arbitrary code on the underlying operating system without authentication.

What to do

An attacker could send these rogue packets to the PAPI UDP port, leading to unauthorized remote code execution with the privileges of a system user. This means they could run any code they want on your system โ€” a scenario that could be absolutely devastating for your network and data integrity! To secure your systems, immediately apply the latest patches provided by Aruba to close this loophole. Additionally, consider implementing stricter firewall rules to limit access to the PAPI UDP port (8211) only to trusted sources. Regularly monitor your network traffic for any suspicious activity as a precaution. You've got this! Follow these steps, and you'll shore up your defenses against this vulnerability in no time. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS v3.1
9.8 ยท CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02068 ยท 81.3th percentile
Published
2023-05-08T14:03Z
EPSS history
Timeline
  • 08 MAY 14:03Z
    Unauthenticated Buffer Overflow Vulnerabilities in Services Accessed by the PAPI Protocol
    cvelistv5