CVE-2017-13051

The RSVP parser in tcpdump before 4.9.2 has a buffer over-read in print-rsvp.c:rsvp_obj_print()

published September 14, 2017

CVSS
—
EPSS
3%
Percentile
88.2
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer over-read lurks in the RSVP parser of tcpdump, and it could lead to some head-scratching issues! 🔍 Think of it like a librarian reading from a book that’s missing pages — without proper checks, the reader might stumble onto some confusing or incorrect information, potentially causing all sorts of misunderstandings. This vulnerability could allow an attacker to read beyond the intended memory bounds, which might lead to leaking sensitive information or unexpected behavior in the application. While it hasn't been exploited yet, the risk of misreading data could be a slippery slope to bigger problems down the line!

Put simply

Think of it like a librarian reading from a book that’s missing pages — without proper checks, the reader might stumble onto some confusing or incorrect information, potentially causing all sorts of misunderstandings. The buffer over-read occurs in the RSVP parser (specifically in print-rsvp.c) prior to version 4.9.2 of tcpdump, where data may be read from memory locations that shouldn't be accessible, creating potential instability or information leaks.

What to do

This vulnerability could allow an attacker to read beyond the intended memory bounds, which might lead to leaking sensitive information or unexpected behavior in the application. While it hasn't been exploited yet, the risk of misreading data could be a slippery slope to bigger problems down the line! To mitigate this issue, upgrade tcpdump to version 4.9.2 or later immediately. Regularly check for updates and ensure you're using the most secure version available to prevent any unwanted surprises. 🛡️ You've got this! Stay vigilant and keep your tools updated to maintain a secure environment! 💪😄

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03241 · 88.2th percentile
Published
2017-09-14T06:00Z
EPSS history
Timeline
  • 14 SEP 06:00Z
    The RSVP parser in tcpdump before 4.9.2 has a buffer over-read in print-rsvp.c:rsvp_obj_print()
    cvelistv5