## 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."

## Severity

Overall Severity: N/A

### CVSS Metrics

Type | Score | Severity | Vector
--- | --- | --- | ---

## Affected Products

### ssh - secure_shell

Affected Versions:

- 1.2.23

### ssh - secure_shell

Affected Versions:

- 1.2.25

## References

- http://marc.info/?l=bugtraq&m=90221103125884&w=2
- http://marc.info/?l=bugtraq&m=90221104525878&w=2
- http://www.iss.net/security_center/static/1126.php
- http://www.kb.cert.org/vuls/id/13877
  US Government Resource
- http://marc.info/?l=bugtraq&m=90221103125884&w=2
- http://marc.info/?l=bugtraq&m=90221104525878&w=2
- http://www.iss.net/security_center/static/1126.php
- http://www.kb.cert.org/vuls/id/13877
  US Government Resource

Neural Processor Active