CVE-2006-5229
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.
Official description from the CVE record, published by mitre. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
- Score
- 0.58940 (58.9% probability)
- Percentile
- 99.1%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
References
- 25979 (secunia.com)third-party-advisory
- 20061014 Re: yet another OpenSSH timing leak? (securityfocus.com)mailing-list
- 20061009 yet another OpenSSH timing leak? (securityfocus.com)mailing-list
- 20061010 Re: yet another OpenSSH timing leak? (securityfocus.com)mailing-list
- ADV-2007-2545 (vupen.com)vdb-entry
- 20418 (securityfocus.com)vdb-entry
- 20061009 Re: yet another OpenSSH timing leak? (securityfocus.com)mailing-list
- 32721 (osvdb.org)vdb-entry
- sybsecurity.com/hack-proventia-1.pdf
Timeline
- ID reserved
- Record published
- Record last updated
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:48 UTC. Sources and licenses