CVE-2007-2243

Openbsd Openssh - Authentication Bypass

Title source: rule

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.

References (7)

[Mailing List] http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053906.html

[Mailing List] http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053951.html

[Vendor Advisory] https://security.netapp.com/advisory/ntap-20191107-0003/

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/23601

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/33794

[Third Party Advisory, VDB Entry] http://www.osvdb.org/34600

[Third Party Advisory] http://securityreason.com/securityalert/2631

Scores

EPSS 0.0026

EPSS Percentile 49.5%

Classification

CWE

CWE-287

Status draft

Affected Products (50)

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

openbsd/openssh

... and 35 more

Timeline

Published Apr 25, 2007

Tracked Since Feb 18, 2026