Description
The IDEA cipher as implemented by SSH1 does not protect the final block of a message against modification, which allows remote attackers to modify the block without detection by changing its cyclic redundancy check (CRC) to match the modifications to the message.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:P/A:NAffected software
No affected versions have been published.
Timeline
- Published
- Jan 18, 2001
- Last modified
- Jun 16, 2026
- NVD status
- Modified