CVE-2000-0743

Buffer overflow in University of Minnesota (UMN) gopherd 2.x allows remote attackers to execute arbitrary commands via a DES key generation request (GDESkey)…

published October 13, 2000

CVSS
—
EPSS
13%
Percentile
96.2
In the wild
Unconfirmed
What it is

⚠️ A rogue ticket value could break the system! This buffer overflow in UMN gopherd 2.x could allow attackers to run arbitrary commands with a clever DES key generation request. 🔥 Think of gopherd as a hotel that lets guests check in with a special ticket. If someone can sneak in a massively oversized ticket, they might just take over the front desk and run the hotel as they please! The potential consequences are alarming! An attacker could execute unauthorized commands on the vulnerable server, potentially compromising sensitive data or causing system disruptions. With the right payload, your server could be in the hands of a malicious intruder, wreaking havoc without any prior authentication.

Put simply

Think of gopherd as a hotel that lets guests check in with a special ticket. If someone can sneak in a massively oversized ticket, they might just take over the front desk and run the hotel as they please! This vulnerability arises from a buffer overflow in the gopherd server's handling of ticket values in DES key generation requests. When these ticket values exceed the expected length, it can overwrite critical memory areas, leading to arbitrary code execution.

What to do

The potential consequences are alarming! An attacker could execute unauthorized commands on the vulnerable server, potentially compromising sensitive data or causing system disruptions. With the right payload, your server could be in the hands of a malicious intruder, wreaking havoc without any prior authentication. To protect your systems, consider upgrading to a patched version of gopherd if available. Additionally, apply strict input validation to limit ticket lengths and prevent such overflow issues. Regularly review your security posture and ensure configurations are up to date. 🛡️ You've got this! With these steps, your system will be safer in no time! ✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.12630 · 96.2th percentile
Published
2000-10-13T04:00Z
EPSS history
Timeline
  • 13 OCT 04:00Z
    Buffer overflow in University of Minnesota (UMN) gopherd 2.x allows remote attackers to execute arbitrary commands via a DES key generation request (GDESkey)…
    cvelistv5