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Vulnerability Details : CVE-2003-1562

sshd in OpenSSH 3.6.1p2 and earlier, when PermitRootLogin is disabled and using PAM keyboard-interactive authentication, does not insert a delay after a root login attempt with the correct password, which makes it easier for remote attackers to use timing differences to determine if the password step of a multi-step authentication is successful, a different vulnerability than CVE-2003-0190.
Publish Date : 2003-12-31 Last Update Date : 2008-09-05
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- CVSS Scores & Vulnerability Types

CVSS Score
7.6
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 High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access Admin
Vulnerability Type(s)
CWE ID 362

- Vendor Statements

The risks associated with fixing this bug are greater than the low severity security risk. We therefore currently have no plans to fix this flaw in Red Hat Enterprise Linux 2.1 and 3 which is in maintenance mode.
Source: Redhat

- Products Affected By CVE-2003-1562

# Product Type Vendor Product Version Update Edition Language
1 Application Openbsd Openssh 1.2 Version Details Vulnerabilities
2 Application Openbsd Openssh 1.2.1 Version Details Vulnerabilities
3 Application Openbsd Openssh 1.2.2 Version Details Vulnerabilities
4 Application Openbsd Openssh 1.2.3 Version Details Vulnerabilities
5 Application Openbsd Openssh 1.2.27 Version Details Vulnerabilities
6 Application Openbsd Openssh 1.3 Version Details Vulnerabilities
7 Application Openbsd Openssh 1.5 Version Details Vulnerabilities
8 Application Openbsd Openssh 1.5.7 Version Details Vulnerabilities
9 Application Openbsd Openssh 1.5.8 Version Details Vulnerabilities
10 Application Openbsd Openssh 2 Version Details Vulnerabilities
11 Application Openbsd Openssh 2.1 Version Details Vulnerabilities
12 Application Openbsd Openssh 2.1.1 Version Details Vulnerabilities
13 Application Openbsd Openssh 2.2 Version Details Vulnerabilities
14 Application Openbsd Openssh 2.3 Version Details Vulnerabilities
15 Application Openbsd Openssh 2.3.1 Version Details Vulnerabilities
16 Application Openbsd Openssh 2.5 Version Details Vulnerabilities
17 Application Openbsd Openssh 2.5.1 Version Details Vulnerabilities
18 Application Openbsd Openssh 2.5.2 Version Details Vulnerabilities
19 Application Openbsd Openssh 2.9p1 Version Details Vulnerabilities
20 Application Openbsd Openssh 2.9p2 Version Details Vulnerabilities
21 Application Openbsd Openssh 2.9 Version Details Vulnerabilities
22 Application Openbsd Openssh 2.9.9 Version Details Vulnerabilities
23 Application Openbsd Openssh 2.9.9p2 Version Details Vulnerabilities
24 Application Openbsd Openssh 3.0p1 Version Details Vulnerabilities
25 Application Openbsd Openssh 3.0 Version Details Vulnerabilities
26 Application Openbsd Openssh 3.0.1 Version Details Vulnerabilities
27 Application Openbsd Openssh 3.0.1p1 Version Details Vulnerabilities
28 Application Openbsd Openssh 3.0.2p1 Version Details Vulnerabilities
29 Application Openbsd Openssh 3.0.2 Version Details Vulnerabilities
30 Application Openbsd Openssh 3.1 Version Details Vulnerabilities
31 Application Openbsd Openssh 3.1p1 Version Details Vulnerabilities
32 Application Openbsd Openssh 3.2 Version Details Vulnerabilities
33 Application Openbsd Openssh 3.2.2 Version Details Vulnerabilities
34 Application Openbsd Openssh 3.2.2p1 Version Details Vulnerabilities
35 Application Openbsd Openssh 3.2.3p1 Version Details Vulnerabilities
36 Application Openbsd Openssh 3.3 Version Details Vulnerabilities
37 Application Openbsd Openssh 3.3p1 Version Details Vulnerabilities
38 Application Openbsd Openssh 3.4 Version Details Vulnerabilities
39 Application Openbsd Openssh 3.4p1 Version Details Vulnerabilities
40 Application Openbsd Openssh 3.5 Version Details Vulnerabilities
41 Application Openbsd Openssh 3.5p1 Version Details Vulnerabilities
42 Application Openbsd Openssh 3.6 Version Details Vulnerabilities
43 Application Openbsd Openssh 3.6.1p1 Version Details Vulnerabilities
44 Application Openbsd Openssh 3.6.1p2 Version Details Vulnerabilities
45 Application Openbsd Openssh 3.6.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openbsd Openssh 45

- References For CVE-2003-1562

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=248747 CONFIRM
http://www.securityfocus.com/archive/1/320153
BUGTRAQ 20030501 Re: OpenSSH/PAM timing attack allows remote users identification
http://www.securityfocus.com/archive/1/320302
BUGTRAQ 20030501 Re: OpenSSH/PAM timing attack allows remote users identification
http://www.securityfocus.com/bid/7482
BID 7482 OpenSSH Remote Root Authentication Timing Side-Channel Weakness Release Date:2008-08-01
http://www.securityfocus.com/archive/1/320440
BUGTRAQ 20030505 Re: OpenSSH/PAM timing attack allows remote users identification

- Metasploit Modules Related To CVE-2003-1562

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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