CVE-2002-0639

Integer overflow in sshd in OpenSSH 2.9.9 through 3.3 allows remote attackers to execute arbitrary code during challenge response authentication…

published April 2, 2003

CVSS
—
EPSS
18%
Percentile
97.2
In the wild
Unconfirmed
What it is

⚠️ An integer overflow in OpenSSH can be a sneaky doorway for remote attackers during authentication! Just imagine the chaos they could unleash! 🔥 Think of it like a bouncer at a club who gets confused by a large crowd and accidentally lets in someone without a ticket. This vulnerability can let attackers slip inside during the challenge-response authentication phase, circumventing security! If exploited, this vulnerability could allow an attacker to execute arbitrary code on the server. This means they could potentially take control of the system, leaking sensitive information or causing further chaos. Just picture the devastation if a hacker gains access to your secure communications!

Put simply

Think of it like a bouncer at a club who gets confused by a large crowd and accidentally lets in someone without a ticket. This vulnerability can let attackers slip inside during the challenge-response authentication phase, circumventing security! This integer overflow vulnerability affects OpenSSH versions 2.9.9 through 3.3, allowing attackers to exploit the challenge-response authentication when SKEY or BSD_AUTH methods are in use. An attacker can manipulate data to execute malicious code.

What to do

If exploited, this vulnerability could allow an attacker to execute arbitrary code on the server. This means they could potentially take control of the system, leaking sensitive information or causing further chaos. Just picture the devastation if a hacker gains access to your secure communications! To safeguard against this vulnerability, update OpenSSH to a more recent version that addresses this issue. It's essential to review and enforce strong authentication methods, and regularly audit your SSH configurations for security best practices. Don't let this oldie be a risky liability! You've got this! By following these steps, you can tighten your defenses and protect your systems from this sneaky vulnerability! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.18288 · 97.2th percentile
Published
2003-04-02T05:00Z
EPSS history
Timeline
  • 02 APR 05:00Z
    Integer overflow in sshd in OpenSSH 2.9.9 through 3.3 allows remote attackers to execute arbitrary code during challenge response authentication…
    cvelistv5