CVE-1999-1085

Current Description

SSH 1.2.25, 1.2.23, and other versions, when used in in CBC (Cipher Block Chaining) or CFB (Cipher Feedback 64 bits) modes, allows remote attackers to insert arbitrary data into an existing stream between an SSH client and server by using a known plaintext attack and computing a valid CRC-32 checksum for the packet, aka the "SSH insertion attack."

Basic Data

PublishedJune 12, 1998
Last ModifiedOctober 18, 2016
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:N/I:P/A:N
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
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
    2.3ApplicationSshSecure Shell1.2.23*******
    2.3ApplicationSshSecure Shell1.2.25*******

Vulnerable Software List

VendorProductVersions
Ssh Secure Shell 1.2.23, 1.2.25

References

NameSourceURLTags
19980612 CORE-SDI-04: SSH insertion attackhttp://marc.info/?l=bugtraq&m=90221103125884&w=2BUGTRAQ
19980703 UPDATE: SSH insertion attackhttp://marc.info/?l=bugtraq&m=90221104525878&w=2BUGTRAQ
ssh-insert(1126)http://www.iss.net/security_center/static/1126.phpXF
VU#13877http://www.kb.cert.org/vuls/id/13877CERT-VNUS Government Resource