Portable OpenSSH < 3.6.1p2 PAM Timing Side-Channel Weakness

Low Nessus Network Monitor Plugin ID 1984

Synopsis

The remote host may give an attacker information useful for future attacks.

Description

The remote host is using a version of Portable OpenSSH that may allow an attacker to determine if an account exists or not by a timing analysis.

Solution

Upgrade to OpenSSH-portable 3.6.1p2 or higher.

Plugin Details

Severity: Low

ID: 1984

File Name: 1984.prm

Family: SSH

Published: 2004/08/20

Modified: 2016/02/05

Dependencies: 1997, 3059

Nessus ID: 11574

Risk Information

Risk Factor: Low

CVSSv2

Base Score: 3.3

Temporal Score: 2.9

Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:N/A:N

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSSv3

Base Score: 4.2

Temporal Score: 4

Vector: CVSS3#AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS3#E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:openbsd:openssh

Reference Information

CVE: CVE-2003-1562, CVE-2003-0190

BID: 11781, 7342, 7467, 7482