CVE-2017-5342

In tcpdump before 4.9.0, a bug in multiple protocol parsers (Geneve, GRE, NSH, OTV, VXLAN and VXLAN GPE) could cause a buffer overflow in…

published January 28, 2017

CVSS
—
EPSS
6%
Percentile
92.8
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer overflow lurks in tcpdump versions before 4.9.0, ready to cause chaos in your network analysis! 🔍 Think of this vulnerability like a package delivery gone wrong; if the delivery driver misreads the address, it could result in sensitive data being sent far off course. This bug in tcpdump's protocol parsers opens the door for potential mishaps in handling packet data, making it risky! 📦 If exploited, this buffer overflow could lead to unexpected behaviors, crashes, or the execution of arbitrary code, jeopardizing your system's stability. While there's no known exploitation yet, the potential consequences could be absolutely devastating if an attacker decides to take advantage of it!

Put simply

Think of this vulnerability like a package delivery gone wrong; if the delivery driver misreads the address, it could result in sensitive data being sent far off course. This bug in tcpdump's protocol parsers opens the door for potential mishaps in handling packet data, making it risky! 📦 This vulnerability stems from improper handling of multiple protocol parsers in tcpdump (Geneve, GRE, NSH, OTV, VXLAN, and VXLAN GPE), specifically in the ether_print() function. It opens the door for a buffer overflow, allowing for untrusted input to compromise the software.

What to do

If exploited, this buffer overflow could lead to unexpected behaviors, crashes, or the execution of arbitrary code, jeopardizing your system's stability. While there's no known exploitation yet, the potential consequences could be absolutely devastating if an attacker decides to take advantage of it! To safeguard your systems, update tcpdump to version 4.9.0 or later immediately. Regularly check for updates and perform routine security audits to ensure your network analysis tools remain secure! You've got this! Follow these steps, and you’ll keep your network safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05504 · 92.8th percentile
Published
2017-01-28T01:33Z
EPSS history
Timeline
  • 28 JAN 01:33Z
    In tcpdump before 4.9.0, a bug in multiple protocol parsers (Geneve, GRE, NSH, OTV, VXLAN and VXLAN GPE) could cause a buffer overflow in…
    cvelistv5