CVE-2017-13039

The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c, several functions

published September 14, 2017

CVSS
—
EPSS
3%
Percentile
88.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky little buffer over-read lurks in tcpdump! Before version 4.9.2, the ISAKMP parser has a flaw that could expose sensitive data. 🔍 Think of it like a librarian who accidentally leaves a window open while checking out books — if there’s a gust of wind, the pages might flutter out and expose secrets meant to stay hidden. In this case, the parser could read beyond its intended buffer, potentially leaking sensitive information. While not actively exploited, this buffer over-read could lead to unexpected behavior or data exposure. Imagine if someone managed to sneak a peek at confidential information just because the librarian wasn't careful with the window! 📚

Put simply

Think of it like a librarian who accidentally leaves a window open while checking out books — if there’s a gust of wind, the pages might flutter out and expose secrets meant to stay hidden. In this case, the parser could read beyond its intended buffer, potentially leaking sensitive information. The vulnerability in tcpdump’s ISAKMP parser allows for a buffer over-read in multiple functions within print-isakmp.c, potentially leading to data leaks or application crashes without actually compromising the system directly.

What to do

While not actively exploited, this buffer over-read could lead to unexpected behavior or data exposure. Imagine if someone managed to sneak a peek at confidential information just because the librarian wasn't careful with the window! 📚 To secure your environment, be sure to update tcpdump to the latest version (4.9.2 or above). Regularly review your network monitoring tools to ensure they’re up-to-date and not leaving any windows open for data leaks. 🔒 You've got this! Stay vigilant and your network will be as secure as Fort Knox! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03428 · 88.9th percentile
Published
2017-09-14T06:00Z
EPSS history
Timeline
  • 14 SEP 06:00Z
    The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c, several functions
    cvelistv5