CVE-1999-1085

medium

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."

References

http://www.kb.cert.org/vuls/id/13877

http://www.iss.net/security_center/static/1126.php

http://marc.info/?l=bugtraq&m=90221104525878&w=2

http://marc.info/?l=bugtraq&m=90221103125884&w=2

Details

Source: Mitre, NVD

Published: 1998-06-12

Updated: 2024-11-20

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: Medium