CVE-1999-1231

Current Description

ssh 2.0.12, and possibly other versions, allows valid user names to attempt to enter the correct password multiple times, but only prompts an invalid user name for a password once, which allows remote attackers to determine user account names on the server.

Basic Data

PublishedJune 09, 1999
Last ModifiedDecember 19, 2017
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeNVD-CWE-Other
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactPARTIAL
CVSS 2 - Availability ImpactNONE
CVSS 2 - Base Score5.0
SeverityMEDIUM
Exploitability Score10.0
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationSshSsh22.0*******
    2.3ApplicationSshSsh22.0.1*******
    2.3ApplicationSshSsh22.0.2*******
    2.3ApplicationSshSsh22.0.3*******
    2.3ApplicationSshSsh22.0.4*******
    2.3ApplicationSshSsh22.0.5*******
    2.3ApplicationSshSsh22.0.6*******
    2.3ApplicationSshSsh22.0.7*******
    2.3ApplicationSshSsh22.0.8*******
    2.3ApplicationSshSsh22.0.9*******
    2.3ApplicationSshSsh22.0.10*******
    2.3ApplicationSshSsh22.0.11*******
    2.3ApplicationSshSsh22.0.12*******

Vulnerable Software List

VendorProductVersions
Ssh Ssh2 2.0, 2.0.1, 2.0.10, 2.0.11, 2.0.12, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9

References

NameSourceURLTags
19990609 ssh advirsoryhttp://www.securityfocus.com/archive/1/14758BUGTRAQExploit PATCH Vendor Advisory
ssh-leak(2276)https://exchange.xforce.ibmcloud.com/vulnerabilities/2276XF