Vulnerability Name:

CCN-11970

Published:2003-05-01
Updated:2003-05-01
Summary:OpenSSH could allow a remote attacker to obtain sensitive information using a timing attack, if PAM support is enabled. By measuring the amount of time it takes to receive an error message when attempting to authenticate, a remote attacker could obtain a valid administrative account.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Consequences:Obtain Information
References:Source: CCN
Type: BugTraq Mailing List, Thu May 01 2003 - 04:12:42 CDT
Re: OpenSSH/PAM timing attack allows remote users identification

Source: CCN
Type: BugTraq Mailing List, Thu May 01 2003 - 13:15:38 CDT
Re: OpenSSH/PAM timing attack allows remote users identification

Source: CCN
Type: BID-7482
OpenSSH Remote Root Authentication Timing Side-Channel Weakness

Source: XF
Type: UNKNOWN
openssh-admin-account(11970)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:openbsd:openssh:3.4p1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    openbsd openssh 3.4p1