CVE-2019-12255

Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4)

published August 9, 2019

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.5th percentile for exploit probability.

CVSS
โ€”
EPSS
75%
Percentile
99.5
In the wild
Unconfirmed
What it is

โš ๏ธ A sneaky buffer overflow in the VxWorks TCP component could lead to unexpected behavior, like a car engine misfiring because of a faulty sensor! ๐Ÿš—๐Ÿ’จ Imagine a fast-food restaurant that accidentally overfills a soda cup, causing it to spill everywhere. In the digital world, this buffer overflow can create chaos, leading to unexpected system behavior or even crashes. If exploited, this vulnerability might allow an attacker to manipulate system behavior, causing instability or even a full system crash. While we don't know the full extent of its impact yet, it's always better to be safe than sorry!

Put simply

Imagine a fast-food restaurant that accidentally overfills a soda cup, causing it to spill everywhere. In the digital world, this buffer overflow can create chaos, leading to unexpected system behavior or even crashes. This vulnerability in Wind River VxWorks arises from a buffer overflow in the TCP component due to an integer underflow with the TCP Urgent Pointer. It can lead to unexpected data being processed, creating the potential for malicious manipulation of the system.

What to do

If exploited, this vulnerability might allow an attacker to manipulate system behavior, causing instability or even a full system crash. While we don't know the full extent of its impact yet, it's always better to be safe than sorry! To mitigate this risk, ensure your VxWorks version is updated to the latest version where this issue is patched. Regularly review your network configurations and security policies to diminish risk exposure as well. You've got this! Stay proactive and your systems will stay strong! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.75081 ยท 99.5th percentile
Published
2019-08-09T19:18Z
EPSS history
Timeline
  • 09 AUG 19:18Z
    Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4)
    cvelistv5