CVE-2017-13022

The IP parser in tcpdump before 4.9.2 has a buffer over-read in print-ip.c:ip_printroute()

Critical · published September 14, 2017

CVSS v3.1
9.8
EPSS
3%
Percentile
88.8
In the wild
Unconfirmed
What it is

🔥 A sneaky buffer over-read in tcpdump could spill sensitive info like an unsealed bag of popcorn at a movie marathon! Think of tcpdump as a mail sorter, and this buffer over-read is like the sorter misreading the address on a package, leading to a mishmash of letters spilling all over the floor. You might end up with unwanted packages landing in the wrong hands! An attacker could exploit this vulnerability to access potentially sensitive data from memory, compromising the security of your network traffic analysis. This could lead to a broader breach where attackers gain insight into your system's communications, which is absolutely devastating!

Put simply

Think of tcpdump as a mail sorter, and this buffer over-read is like the sorter misreading the address on a package, leading to a mishmash of letters spilling all over the floor. You might end up with unwanted packages landing in the wrong hands! This vulnerability arises from the IP parser in tcpdump, which fails to properly handle memory boundaries, allowing for a buffer over-read in the function print-ip.c:ip_printroute(). This could expose unauthorized data if exploited.

What to do

An attacker could exploit this vulnerability to access potentially sensitive data from memory, compromising the security of your network traffic analysis. This could lead to a broader breach where attackers gain insight into your system's communications, which is absolutely devastating! Update tcpdump to version 4.9.2 or later immediately to close this critical hole. Regularly audit your network monitoring tools and ensure they're running the latest secure versions. Don't take chances with your data! You've got this! Fixing this vulnerability is a crucial step toward locking down your network. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · 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
0.03428 · 88.8th percentile
Published
2017-09-14T06:00Z
EPSS history
Timeline
  • 14 SEP 06:00Z
    The IP parser in tcpdump before 4.9.2 has a buffer over-read in print-ip.c:ip_printroute()
    cvelistv5