CVE-2017-12901

The EIGRP parser in tcpdump before 4.9.2 has a buffer over-read in print-eigrp.c:eigrp_print()

Critical · published September 14, 2017

CVSS v3.1
9.8
EPSS
2%
Percentile
83.7
In the wild
Unconfirmed
What it is

🚨 A sneaky buffer over-read in tcpdump could expose sensitive data, like leaving your diary open for just anyone to read! 🔥 Think of it as a misfiled document in a library where a librarian accidentally shows you a private letter meant for someone else instead of the book you requested. This buffer over-read allows attackers to peek into memory they shouldn’t have access to, just like rummaging through your personal notes without your permission. This vulnerability can allow attackers to read arbitrary memory sections, potentially exposing sensitive information like passwords or encryption keys. It's a critical risk that could lead to significant data breaches if exploited!

Put simply

Think of it as a misfiled document in a library where a librarian accidentally shows you a private letter meant for someone else instead of the book you requested. This buffer over-read allows attackers to peek into memory they shouldn’t have access to, just like rummaging through your personal notes without your permission. The EIGRP parser in tcpdump before version 4.9.2 has a buffer over-read issue in the function eigrp_print(), which could allow unauthorized access to memory content.

What to do

This vulnerability can allow attackers to read arbitrary memory sections, potentially exposing sensitive information like passwords or encryption keys. It's a critical risk that could lead to significant data breaches if exploited! Upgrade tcpdump to version 4.9.2 or later immediately to patch this vulnerability. Review your network security policies to ensure you're not exposing sensitive data. Regularly audit your systems to catch potential vulnerabilities early. You’ve got this! By taking these steps, you’ll bolster your defenses and keep your data safe! 🛡️

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
0.02389 · 83.7th percentile
Published
2017-09-14T06:00Z
EPSS history
Timeline
  • 14 SEP 06:00Z
    The EIGRP parser in tcpdump before 4.9.2 has a buffer over-read in print-eigrp.c:eigrp_print()
    cvelistv5