CVE-2017-13000

The IEEE 802.15.4 parser in tcpdump before 4.9.2 has a buffer over-read in print-802_15_4.c:ieee802_15_4_if_print()

Critical · published September 14, 2017

CVSS v3.1
9.8
EPSS
3%
Percentile
87.8
In the wild
Unconfirmed
What it is

🔥 A sneaky buffer over-read in tcpdump's IEEE 802.15.4 parser is a critical risk waiting to pounce! Think of it like a restaurant chef misreading a recipe — they grab way too much of an ingredient and the whole dish ends up spoiled. This parser mishap could lead to unintended data leakage, much like a spilled pot of soup flooding the kitchen floor! An attacker could potentially exploit this vulnerability to access sensitive information, which is absolutely devastating for your network security. It opens up a path where malicious actors could siphon off data that they shouldn't be able to reach, putting everything from personal information to corporate secrets at risk. Don't let this one simmer!

Put simply

Think of it like a restaurant chef misreading a recipe — they grab way too much of an ingredient and the whole dish ends up spoiled. This parser mishap could lead to unintended data leakage, much like a spilled pot of soup flooding the kitchen floor! This buffer over-read vulnerability in tcpdump, specifically in the ieee802_15_4_if_print() function, allows an attacker to read beyond allocated memory, potentially exposing sensitive data. This occurs due to improper validation of input lengths in the IEEE 802.15.4 protocol parsing.

What to do

An attacker could potentially exploit this vulnerability to access sensitive information, which is absolutely devastating for your network security. It opens up a path where malicious actors could siphon off data that they shouldn't be able to reach, putting everything from personal information to corporate secrets at risk. Don't let this one simmer! To remediate this vulnerability, update tcpdump to version 4.9.2 or later immediately. Regularly audit your systems to ensure outdated versions are not in use, and implement security best practices to mitigate risks. Staying current is your best defense! You've got this! Follow these steps and you'll fortify your defenses in no time. 🛡️

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
0.03131 · 87.8th percentile
Published
2017-09-14T06:00Z
EPSS history
Timeline
  • 14 SEP 06:00Z
    The IEEE 802.15.4 parser in tcpdump before 4.9.2 has a buffer over-read in print-802_15_4.c:ieee802_15_4_if_print()
    cvelistv5