CVE-2006-5229

critical

Description

OpenSSH portable 4.1 on SUSE Linux, and possibly other platforms and versions, and possibly under limited configurations, allows remote attackers to determine valid usernames via timing discrepancies in which responses take longer for valid usernames than invalid ones, as demonstrated by sshtime. NOTE: as of 20061014, it appears that this issue is dependent on the use of manually-set passwords that causes delays when processing /etc/shadow due to an increased number of rounds.

References

http://www.vupen.com/english/advisories/2007/2545

http://www.sybsecurity.com/hack-proventia-1.pdf

http://www.securityfocus.com/bid/20418

http://www.securityfocus.com/archive/1/448702/100/0/threaded

http://www.securityfocus.com/archive/1/448156/100/0/threaded

http://www.securityfocus.com/archive/1/448108/100/0/threaded

http://www.securityfocus.com/archive/1/448025/100/0/threaded

http://www.osvdb.org/32721

http://secunia.com/advisories/25979

Details

Source: Mitre, NVD

Published: 2006-10-10

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 2.6

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

Severity: Low

CVSS v3

Base Score: 9.1

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

Severity: Critical