CVE-2017-5203

The BOOTP parser in tcpdump before 4.9.0 has a buffer overflow in print-bootp.c:bootp_print()

published January 28, 2017

CVSS
—
EPSS
4%
Percentile
89.8
In the wild
Unconfirmed
What it is

⚠️ An overlooked blip in the BOOTP parser could lead to a pesky buffer overflow! Just a small hiccup in tcpdump before version 4.9.0 could cause a major headache. 🔥 Think of it like a restaurant that overfills a pot on the stove; when the heat is applied, the overflow can cause a messy kitchen disaster. In the same way, this vulnerability allows too much data to spill over, potentially crashing the system. If exploited, this buffer overflow could allow an attacker to manipulate data and disrupt tcpdump's operations, leading to potential system instability or crashes. While currently not on any attacker's radar, it's still a security gap that shouldn't be ignored!

Put simply

Think of it like a restaurant that overfills a pot on the stove; when the heat is applied, the overflow can cause a messy kitchen disaster. In the same way, this vulnerability allows too much data to spill over, potentially crashing the system. The vulnerability lies in the BOOTP parser within tcpdump, specifically the function in print-bootp.c. An unbounded buffer allows excess data to overflow, which could cause unpredictable behavior or crashes.

What to do

If exploited, this buffer overflow could allow an attacker to manipulate data and disrupt tcpdump's operations, leading to potential system instability or crashes. While currently not on any attacker's radar, it's still a security gap that shouldn't be ignored! To safeguard your systems, upgrade tcpdump to version 4.9.0 or later, where this issue has been patched. Regularly monitor your software for updates and consider implementing additional memory protection techniques to bolster security. You've got this! Taking these steps will keep your systems strong and secure. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03777 · 89.8th percentile
Published
2017-01-28T01:33Z
EPSS history
Timeline
  • 28 JAN 01:33Z
    The BOOTP parser in tcpdump before 4.9.0 has a buffer overflow in print-bootp.c:bootp_print()
    cvelistv5