CVE-2017-13043

The BGP parser in tcpdump before 4.9.2 has a buffer over-read in print-bgp.c:decode_multicast_vpn()

published September 14, 2017

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

⚠️ A buffer over-read lurking in tcpdump's BGP parser could spill the beans on your network traffic! Think of it like peeking into someone else's mailbox without them noticing — you're not supposed to see what's inside, but the door is ajar just enough for a curious passerby to take a look. While not currently known to be exploited, this vulnerability could allow a malicious actor to read sensitive data from memory, potentially gleaning confidential information and compromising network integrity. The implications could be alarming if it were to be leveraged by an attacker!

Put simply

Think of it like peeking into someone else's mailbox without them noticing — you're not supposed to see what's inside, but the door is ajar just enough for a curious passerby to take a look. The vulnerability arises from a buffer over-read in the BGP packet processing function in tcpdump before version 4.9.2, which means that when handling certain BGP data, it incorrectly reads beyond the allocated buffer space.

What to do

While not currently known to be exploited, this vulnerability could allow a malicious actor to read sensitive data from memory, potentially gleaning confidential information and compromising network integrity. The implications could be alarming if it were to be leveraged by an attacker! To protect against this, upgrade tcpdump to version 4.9.2 or later immediately. It's crucial to apply patches regularly and monitor your network tools for updates to maintain security. 🛡️ You've got this! With just a quick update, you can keep your network safe and sound! 🚀

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 BGP parser in tcpdump before 4.9.2 has a buffer over-read in print-bgp.c:decode_multicast_vpn()
    cvelistv5