CVE-2016-7984

The TFTP parser in tcpdump before 4.9.0 has a buffer overflow in print-tftp.c:tftp_print()

published January 28, 2017

CVSS
—
EPSS
3%
Percentile
88.6
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer overflow lurks in tcpdump’s TFTP parser, lurking quietly in versions before 4.9.0! 💻 Think of it like a crowded restaurant where extra orders are piling up, causing the kitchen to get overwhelmed — too much data flows into a limited space, risking a kitchen disaster! 🍽️ If an attacker were to exploit this, they could potentially crash the tcpdump process or even execute arbitrary code — a recipe for chaos in your network monitoring! The outcome could be unexpectedly disruptive, although the exact impact remains somewhat uncertain.

Put simply

Think of it like a crowded restaurant where extra orders are piling up, causing the kitchen to get overwhelmed — too much data flows into a limited space, risking a kitchen disaster! 🍽️ This vulnerability occurs in the TFTP parser within tcpdump, specifically in print-tftp.c, leading to a buffer overflow when handling certain inputs. Due to this flaw, it can allow an attacker to manipulate memory allocation and potentially execute harmful code.

What to do

If an attacker were to exploit this, they could potentially crash the tcpdump process or even execute arbitrary code — a recipe for chaos in your network monitoring! The outcome could be unexpectedly disruptive, although the exact impact remains somewhat uncertain. Update tcpdump to version 4.9.0 or later to eliminate this vulnerability. Regularly review and patch any security issues in your software to maintain robust defenses. You've got this! With a quick update, you can keep your network monitoring secure and running smoothly! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03355 · 88.6th percentile
Published
2017-01-28T01:33Z
EPSS history
Timeline
  • 28 JAN 01:33Z
    The TFTP parser in tcpdump before 4.9.0 has a buffer overflow in print-tftp.c:tftp_print()
    cvelistv5