CVE-2016-7937

The VAT parser in tcpdump before 4.9.0 has a buffer overflow in print-udp.c:vat_print()

published January 28, 2017

CVSS
—
EPSS
3%
Percentile
87.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer overflow lurks in tcpdump’s VAT parser, waiting to be uncovered! Think of it like a crowded checkout line at a grocery store: if too many customers try to push their carts through at once, things can get messy, and worst-case scenario, the system crashes. This vulnerability, if exploited, could overflow the buffer like an overstuffed shopping cart spilling its contents everywhere! An attacker could potentially manipulate the buffer, leading to unexpected behavior in tcpdump, which might result in a crash or even remote code execution if the conditions are right. While it hasn't been notably exploited yet, the risk still looms like a storm cloud on a sunny day, waiting to burst!

Put simply

Think of it like a crowded checkout line at a grocery store: if too many customers try to push their carts through at once, things can get messy, and worst-case scenario, the system crashes. This vulnerability, if exploited, could overflow the buffer like an overstuffed shopping cart spilling its contents everywhere! The buffer overflow vulnerability in tcpdump’s VAT parser in print-udp.c allows a crafted input to exceed allocated memory bounds, which could destabilize the application or allow code execution under specific circumstances.

What to do

An attacker could potentially manipulate the buffer, leading to unexpected behavior in tcpdump, which might result in a crash or even remote code execution if the conditions are right. While it hasn't been notably exploited yet, the risk still looms like a storm cloud on a sunny day, waiting to burst! Update tcpdump to version 4.9.0 or later to patch this vulnerability. As always, keep your systems up-to-date and review any logs for unusual activity that may hint at exploitation attempts. 🚀 You've got this! Stay vigilant and patch those vulnerabilities to keep your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03172 · 87.9th percentile
Published
2017-01-28T01:33Z
EPSS history
Timeline
  • 28 JAN 01:33Z
    The VAT parser in tcpdump before 4.9.0 has a buffer overflow in print-udp.c:vat_print()
    cvelistv5