5
CVSSv2

CVE-2007-2243

Published: 25/04/2007 Updated: 29/07/2017
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Vulnerability Summary

OpenSSH 4.6 and previous versions, when ChallengeResponseAuthentication is enabled, allows remote malicious users 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.

Vulnerability Trend

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openbsd openssh 2.1

openbsd openssh 2.1.1

openbsd openssh 2.9.9

openbsd openssh 2.9.9p2

openbsd openssh 3.0p1

openbsd openssh 3.1

openbsd openssh 3.3p1

openbsd openssh 3.4

openbsd openssh 3.6.1p2

openbsd openssh 3.7

openbsd openssh 3.9.1

openbsd openssh 3.9.1p1

openbsd openssh 4.3

openbsd openssh 4.3p1

openbsd openssh 1.2.27

openbsd openssh 1.2.3

openbsd openssh 2.5.2

openbsd openssh 2.9

openbsd openssh 3.0.2

openbsd openssh 3.0.2p1

openbsd openssh 3.2.3p1

openbsd openssh 3.3

openbsd openssh 3.6.1

openbsd openssh 3.6.1p1

openbsd openssh 3.8.1p1

openbsd openssh 3.9

openbsd openssh 4.2

openbsd openssh 4.2p1

openbsd openssh 4.6

openbsd openssh 1.2

openbsd openssh 2.2

openbsd openssh 2.3

openbsd openssh 2.9p1

openbsd openssh 2.9p2

openbsd openssh 3.0

openbsd openssh 3.1p1

openbsd openssh 3.2

openbsd openssh 3.4p1

openbsd openssh 3.5

openbsd openssh 3.7.1

openbsd openssh 3.7.1p1

openbsd openssh 3.7.1p2

openbsd openssh 4.0

openbsd openssh 4.0p1

openbsd openssh 4.3p2

openbsd openssh 4.4

openbsd openssh 1.2.1

openbsd openssh 1.2.2

openbsd openssh 2.5

openbsd openssh 2.5.1

openbsd openssh 3.0.1

openbsd openssh 3.0.1p1

openbsd openssh 3.2.2

openbsd openssh 3.2.2p1

openbsd openssh 3.5p1

openbsd openssh 3.6

openbsd openssh 3.8

openbsd openssh 3.8.1

openbsd openssh 4.1

openbsd openssh 4.1p1

openbsd openssh 4.4p1

openbsd openssh 4.5

Vendor Advisories

Debian Bug report logs - #436571 openssh: CVE-2007-2768 and CVE-2007-2243 (determine the existence of user accounts) Package: openssh; Maintainer for openssh is Debian OpenSSH Maintainers <debian-ssh@listsdebianorg>; Reported by: Steffen Joeris <steffenjoeris@skolelinuxde> Date: Wed, 8 Aug 2007 09:30:02 UTC Seve ...