CVE-2007-2243

CVSS V2 Medium 5 CVSS V3 None
Description
OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled, allows remote attackers to determine the existence of user accounts by attempting to authenticate via S/KEY, which displays a different response if the user account exists, a similar issue to CVE-2001-1483.
Overview
  • CVE ID
  • CVE-2007-2243
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2007-04-25T16:19:00
  • Last Modified Date
  • 2017-07-29T01:31:19
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openbsd:openssh:1.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:1.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:1.2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:1.2.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:1.2.27:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.9.9:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.9.9p2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.9p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:2.9p2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.4p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.5p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.6.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.6.1p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.6.1p2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.7.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.7.1p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.7.1p2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.8:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.8.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.9:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.9.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:3.9.1p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.2p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.3p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.3p2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.4p1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openbsd:openssh:4.6:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
References
Reference URL Reference Tags
http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053906.html
http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053951.html
http://www.securityfocus.com/bid/23601
http://www.osvdb.org/34600
http://securityreason.com/securityalert/2631
https://exchange.xforce.ibmcloud.com/vulnerabilities/33794
https://security.netapp.com/advisory/ntap-20191107-0003/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2007-2243
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2243
History
Created Old Value New Value Data Type Notes
2022-05-10 09:14:25 Added to TrackCVE