// For flags

CVE-2002-0640

OpenSSH 3.x - Challenge-Response Buffer Overflow

Severity Score

10.0
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large number of responses during challenge response authentication when OpenBSD is using PAM modules with interactive keyboard authentication (PAMAuthenticationViaKbdInt).

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2002-06-24 First Exploit
  • 2002-06-28 CVE Reserved
  • 2002-07-03 CVE Published
  • 2024-07-07 EPSS Updated
  • 2024-08-08 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
References (22)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
1.2.2
Search vendor "Openbsd" for product "Openssh" and version "1.2.2"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
1.2.3
Search vendor "Openbsd" for product "Openssh" and version "1.2.3"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.1
Search vendor "Openbsd" for product "Openssh" and version "2.1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.1.1
Search vendor "Openbsd" for product "Openssh" and version "2.1.1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.2
Search vendor "Openbsd" for product "Openssh" and version "2.2"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.3
Search vendor "Openbsd" for product "Openssh" and version "2.3"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.5
Search vendor "Openbsd" for product "Openssh" and version "2.5"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.5.1
Search vendor "Openbsd" for product "Openssh" and version "2.5.1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.5.2
Search vendor "Openbsd" for product "Openssh" and version "2.5.2"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.9
Search vendor "Openbsd" for product "Openssh" and version "2.9"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.9.9
Search vendor "Openbsd" for product "Openssh" and version "2.9.9"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.9p1
Search vendor "Openbsd" for product "Openssh" and version "2.9p1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
2.9p2
Search vendor "Openbsd" for product "Openssh" and version "2.9p2"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.0
Search vendor "Openbsd" for product "Openssh" and version "3.0"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.0.1
Search vendor "Openbsd" for product "Openssh" and version "3.0.1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.0.1p1
Search vendor "Openbsd" for product "Openssh" and version "3.0.1p1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.0.2
Search vendor "Openbsd" for product "Openssh" and version "3.0.2"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.0.2p1
Search vendor "Openbsd" for product "Openssh" and version "3.0.2p1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.0p1
Search vendor "Openbsd" for product "Openssh" and version "3.0p1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.1
Search vendor "Openbsd" for product "Openssh" and version "3.1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.1p1
Search vendor "Openbsd" for product "Openssh" and version "3.1p1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.2
Search vendor "Openbsd" for product "Openssh" and version "3.2"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.2.2p1
Search vendor "Openbsd" for product "Openssh" and version "3.2.2p1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.2.3p1
Search vendor "Openbsd" for product "Openssh" and version "3.2.3p1"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.3
Search vendor "Openbsd" for product "Openssh" and version "3.3"
-
Affected
Openbsd
Search vendor "Openbsd"
Openssh
Search vendor "Openbsd" for product "Openssh"
3.3p1
Search vendor "Openbsd" for product "Openssh" and version "3.3p1"
-
Affected