MEDIUM · 5.0

CVE-1999-1085

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 bet...

Vulnerability 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."

CVSS Score

5.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N
Confidentiality
NONE
Integrity
PARTIAL
Availability
NONE

Affected Products

VendorProductVersions
SshSecure Shell1.2.23

References

FAQ

What is CVE-1999-1085?

CVE-1999-1085 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 bet...

How severe is CVE-1999-1085?

CVE-1999-1085 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-1999-1085?

Check the references section above for vendor advisories and patch information. Affected products include: Ssh Secure Shell.