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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."

Published Mar 9, 2002

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."

Affected products

Remediation

No remediation recorded yet.

Weaknesses (0)

No CWE recorded.

References (4)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 9, 2002
Updated Aug 1, 2024
Reserved Aug 31, 2001
Link CVE-1999-1085
CISA Vulnrichment
Updated n/a
NVD
Status Modified
Modified Jun 16, 2026
Link CVE-1999-1085
Red Hat
Severity n/a
Public date n/a
Links CVE-1999-1085