CVE-2007-2243
Summary
| CVE | CVE-2007-2243 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2007-04-25 16:19:00 UTC |
| Updated | 2026-04-23 00:35:47 UTC |
| 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:N/AC:L/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Openbsd | Openssh | 1.2 | All | All | All |
| Application | Openbsd | Openssh | 1.2.1 | All | All | All |
| Application | Openbsd | Openssh | 1.2.2 | All | All | All |
| Application | Openbsd | Openssh | 1.2.27 | All | All | All |
| Application | Openbsd | Openssh | 1.2.3 | All | All | All |
| Application | Openbsd | Openssh | 2.1 | All | All | All |
| Application | Openbsd | Openssh | 2.1.1 | All | All | All |
| Application | Openbsd | Openssh | 2.2 | All | All | All |
| Application | Openbsd | Openssh | 2.3 | All | All | All |
| Application | Openbsd | Openssh | 2.5 | All | All | All |
| Application | Openbsd | Openssh | 2.5.1 | All | All | All |
| Application | Openbsd | Openssh | 2.5.2 | All | All | All |
| Application | Openbsd | Openssh | 2.9 | All | All | All |
| Application | Openbsd | Openssh | 2.9.9 | All | All | All |
| Application | Openbsd | Openssh | 2.9.9p2 | All | All | All |
| Application | Openbsd | Openssh | 2.9p1 | All | All | All |
| Application | Openbsd | Openssh | 2.9p2 | All | All | All |
| Application | Openbsd | Openssh | 3.0 | All | All | All |
| Application | Openbsd | Openssh | 3.0.1 | All | All | All |
| Application | Openbsd | Openssh | 3.0.1p1 | All | All | All |
| Application | Openbsd | Openssh | 3.0.2 | All | All | All |
| Application | Openbsd | Openssh | 3.0.2p1 | All | All | All |
| Application | Openbsd | Openssh | 3.0p1 | All | All | All |
| Application | Openbsd | Openssh | 3.1 | All | All | All |
| Application | Openbsd | Openssh | 3.1p1 | All | All | All |
| Application | Openbsd | Openssh | 3.2 | All | All | All |
| Application | Openbsd | Openssh | 3.2.2 | All | All | All |
| Application | Openbsd | Openssh | 3.2.2p1 | All | All | All |
| Application | Openbsd | Openssh | 3.2.3p1 | All | All | All |
| Application | Openbsd | Openssh | 3.3 | All | All | All |
| Application | Openbsd | Openssh | 3.3p1 | All | All | All |
| Application | Openbsd | Openssh | 3.4 | All | All | All |
| Application | Openbsd | Openssh | 3.4p1 | All | All | All |
| Application | Openbsd | Openssh | 3.5 | All | All | All |
| Application | Openbsd | Openssh | 3.5p1 | All | All | All |
| Application | Openbsd | Openssh | 3.6 | All | All | All |
| Application | Openbsd | Openssh | 3.6.1 | All | All | All |
| Application | Openbsd | Openssh | 3.6.1p1 | All | All | All |
| Application | Openbsd | Openssh | 3.6.1p2 | All | All | All |
| Application | Openbsd | Openssh | 3.7 | All | All | All |
| Application | Openbsd | Openssh | 3.7.1 | All | All | All |
| Application | Openbsd | Openssh | 3.7.1p1 | All | All | All |
| Application | Openbsd | Openssh | 3.7.1p2 | All | All | All |
| Application | Openbsd | Openssh | 3.8 | All | All | All |
| Application | Openbsd | Openssh | 3.8.1 | All | All | All |
| Application | Openbsd | Openssh | 3.8.1p1 | All | All | All |
| Application | Openbsd | Openssh | 3.9 | All | All | All |
| Application | Openbsd | Openssh | 3.9.1 | All | All | All |
| Application | Openbsd | Openssh | 3.9.1p1 | All | All | All |
| Application | Openbsd | Openssh | 4.0 | All | All | All |
| Application | Openbsd | Openssh | 4.0p1 | All | All | All |
| Application | Openbsd | Openssh | 4.1 | All | All | All |
| Application | Openbsd | Openssh | 4.1p1 | All | All | All |
| Application | Openbsd | Openssh | 4.2 | All | All | All |
| Application | Openbsd | Openssh | 4.2p1 | All | All | All |
| Application | Openbsd | Openssh | 4.3 | All | All | All |
| Application | Openbsd | Openssh | 4.3p1 | All | All | All |
| Application | Openbsd | Openssh | 4.3p2 | All | All | All |
| Application | Openbsd | Openssh | 4.4 | All | All | All |
| Application | Openbsd | Openssh | 4.4p1 | All | All | All |
| Application | Openbsd | Openssh | 4.5 | All | All | All |
| Application | Openbsd | Openssh | 4.6 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| CVE-2007-2243 OpenSSH Vulnerability in NetApp Products | NetApp Product Security | af854a3a-2127-422b-91ae-364da2661108 | security.netapp.com | |
| www.osvdb.org/34600 | af854a3a-2127-422b-91ae-364da2661108 | www.osvdb.org | |
| IBM X-Force Exchange | af854a3a-2127-422b-91ae-364da2661108 | exchange.xforce.ibmcloud.com | |
| OpenSSH S/Key Remote Information Disclosure Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| [Full-disclosure] [MU-200704-01] Pre-Authentication Vulnerability in Mac OS X RPC runtime library | af854a3a-2127-422b-91ae-364da2661108 | lists.grok.org.uk | |
| [Full-disclosure] Apache Illegal Request Handling Possible XSS Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | lists.grok.org.uk | |
| CXSecurity - IDS | af854a3a-2127-422b-91ae-364da2661108 | securityreason.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
| Organization | Published | Contributor | Statement |
|---|---|---|---|
| Red Hat | 2007-05-23 | Mark J Cox | Not vulnerable. OpenSSH supplied with Red Hat Enterprise Linux 2.1, 3, 4, and 5 does not contain S/KEY support. |
There are currently no legacy QID mappings associated with this CVE.