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Vulnerability Details : CVE-2002-0640

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).
Publish Date : 2002-07-03 Last Update Date : 2016-10-18
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeOverflow
CWE ID CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2002-06-26
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

- Products Affected By CVE-2002-0640

# Product Type Vendor Product Version Update Edition Language
1 Application Openbsd Openssh 1.2.2 * * * Version Details Vulnerabilities
2 Application Openbsd Openssh 1.2.3 * * * Version Details Vulnerabilities
3 Application Openbsd Openssh 2.1 * * * Version Details Vulnerabilities
4 Application Openbsd Openssh 2.1.1 * * * Version Details Vulnerabilities
5 Application Openbsd Openssh 2.2 * * * Version Details Vulnerabilities
6 Application Openbsd Openssh 2.3 * * * Version Details Vulnerabilities
7 Application Openbsd Openssh 2.5 * * * Version Details Vulnerabilities
8 Application Openbsd Openssh 2.5.1 * * * Version Details Vulnerabilities
9 Application Openbsd Openssh 2.5.2 * * * Version Details Vulnerabilities
10 Application Openbsd Openssh 2.9p1 * * * Version Details Vulnerabilities
11 Application Openbsd Openssh 2.9p2 * * * Version Details Vulnerabilities
12 Application Openbsd Openssh 2.9 * * * Version Details Vulnerabilities
13 Application Openbsd Openssh 2.9.9 * * * Version Details Vulnerabilities
14 Application Openbsd Openssh 3.0p1 * * * Version Details Vulnerabilities
15 Application Openbsd Openssh 3.0 * * * Version Details Vulnerabilities
16 Application Openbsd Openssh 3.0.1 * * * Version Details Vulnerabilities
17 Application Openbsd Openssh 3.0.1p1 * * * Version Details Vulnerabilities
18 Application Openbsd Openssh 3.0.2 * * * Version Details Vulnerabilities
19 Application Openbsd Openssh 3.0.2p1 * * * Version Details Vulnerabilities
20 Application Openbsd Openssh 3.1 * * * Version Details Vulnerabilities
21 Application Openbsd Openssh 3.1p1 * * * Version Details Vulnerabilities
22 Application Openbsd Openssh 3.2 * * * Version Details Vulnerabilities
23 Application Openbsd Openssh 3.2.2p1 * * * Version Details Vulnerabilities
24 Application Openbsd Openssh 3.2.3p1 * * * Version Details Vulnerabilities
25 Application Openbsd Openssh 3.3 * * * Version Details Vulnerabilities
26 Application Openbsd Openssh 3.3p1 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openbsd Openssh 26

- References For CVE-2002-0640
BUGTRAQ 20020627 How to reproduce OpenSSH Overflow.
BUGTRAQ 20020626 Revised OpenSSH Security Advisory (adv.iss)
BUGTRAQ 20020626 OpenSSH Security Advisory (adv.iss)
BUGTRAQ 20020628 Sun statement on the OpenSSH Remote Challenge Vulnerability
REDHAT RHSA-2002:127
SUSE SuSE-SA:2002:024
ENGARDE ESA-20020702-016
REDHAT RHSA-2002:131
CALDERA CSSA-2002-030.0
BID 5093 OpenSSH Challenge-Response Buffer Overflow Vulnerabilities Release Date:2007-11-05
HP HPSBUX0206-195
CERT-VN VU#369347
CERT CA-2002-18

- Metasploit Modules Related To CVE-2002-0640

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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