CVE-2013-4434

Published Oct 25, 2013

Last updated 6 years ago

Overview

Description: Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to discover valid usernames.
Source: secalert@redhat.com
NVD status: Analyzed

Hype score: Not currently trending

Risk scores

CVSS 2.0

Type: Primary
Base score: 5
Impact score: 2.9
Exploitability score: 10
Vector string: AV:N/AC:L/Au:N/C:P/I:N/A:N

Weaknesses

nvd@nist.gov: CWE-189

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "EBC6AE23-FAEA-491F-806C-8D634FA765B0",
            "versionEndExcluding": "2013.59"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References