CVE-2017-5205

The ISAKMP parser in tcpdump before 4.9.0 has a buffer overflow in print-isakmp.c:ikev2_e_print()

published January 28, 2017

CVSS
—
EPSS
4%
Percentile
89.3
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer overflow is hiding in tcpdump versions before 4.9.0, ready to mismanage memory like an overstuffed suitcase at the airport! ✈️ Imagine checking in at an airport with an overflowing suitcase that can't be zipped up. The baggage handler might accidentally drop your stuff everywhere, causing chaos and potential loss! That's like this buffer overflow — it mishandles data, leading to unpredictable outcomes. In the worst-case scenario, this vulnerability could allow an attacker to crash the application or execute arbitrary code, wreaking havoc on your network traffic analysis. While the severity is currently marked as unknown, any flaw that can lead to unexpected behavior should be taken seriously — the fallout could still be pretty messy!

Put simply

Imagine checking in at an airport with an overflowing suitcase that can't be zipped up. The baggage handler might accidentally drop your stuff everywhere, causing chaos and potential loss! That's like this buffer overflow — it mishandles data, leading to unpredictable outcomes. The vulnerability in the ISAKMP parser of tcpdump allows for a buffer overflow, specifically in the print-isakmp.c file during the ikev2_e_print() process. This could potentially lead to memory mismanagement, as it fails to properly handle incoming data.

What to do

In the worst-case scenario, this vulnerability could allow an attacker to crash the application or execute arbitrary code, wreaking havoc on your network traffic analysis. While the severity is currently marked as unknown, any flaw that can lead to unexpected behavior should be taken seriously — the fallout could still be pretty messy! To secure your environment, upgrade tcpdump to version 4.9.0 or later. Regularly check for updates and patches to ensure you’re using the most secure versions. Additionally, conduct a thorough review of your network monitoring tools to identify any potential risks. You've got this! Follow these steps, and you'll have your tcpdump protected in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03570 · 89.3th percentile
Published
2017-01-28T01:33Z
EPSS history
Timeline
  • 28 JAN 01:33Z
    The ISAKMP parser in tcpdump before 4.9.0 has a buffer overflow in print-isakmp.c:ikev2_e_print()
    cvelistv5