CVE-2018-10103

tcpdump before 4.9.3 mishandles the printing of SMB data (issue 1 of 2)

published October 3, 2019

CVSS
—
EPSS
4%
Percentile
90.6
In the wild
Unconfirmed
What it is

⚠️ A twist in tcpdump’s SMB data printing could leave you with a puzzling mess! Think of it like a delivery service mislabeling packages: instead of clear addresses, you get jumbled labels that confuse you about what’s inside. That’s exactly what’s happening with tcpdump’s printing mishap; it’s not handling SMB data correctly, leading to an unclear view of what’s being captured. If left unchecked, this bug could lead to critical misinterpretations of network traffic, making it harder for analysts to spot potential issues. While no one can exploit it directly, the confusion it creates could hinder your ability to monitor network activity effectively.

Put simply

Think of it like a delivery service mislabeling packages: instead of clear addresses, you get jumbled labels that confuse you about what’s inside. That’s exactly what’s happening with tcpdump’s printing mishap; it’s not handling SMB data correctly, leading to an unclear view of what’s being captured. This vulnerability in tcpdump versions before 4.9.3 mishandles the printing of SMB data, which can result in garbled output and misrepresentation of network traffic, complicating analysis.

What to do

If left unchecked, this bug could lead to critical misinterpretations of network traffic, making it harder for analysts to spot potential issues. While no one can exploit it directly, the confusion it creates could hinder your ability to monitor network activity effectively. Update tcpdump to version 4.9.3 or later as soon as possible to resolve this issue. Regularly check for updates to ensure you’re running the latest version and avoid any potential pitfalls in network traffic analysis! You’ve got this! Keeping your tcpdump updated will have your network traffic looking sharp in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04066 · 90.6th percentile
Published
2019-10-03T15:05Z
EPSS history
Timeline
  • 03 OCT 15:05Z
    tcpdump before 4.9.3 mishandles the printing of SMB data (issue 1 of 2)
    cvelistv5