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CVE-2003-0190
Current Description
OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.
| Referenced by CVEs: | CVE-2003-1562, CVE-2004-2760 |
Basic Data
| Published | May 12, 2003 |
|---|---|
| Last Modified | October 11, 2017 |
| Assigner | cve@mitre.org |
| Data Type | CVE |
| Data Format | MITRE |
| Data Version | 4.0 |
| Problem Type | NVD-CWE-Other |
| CVE Data Version | 4.0 |
Base Metric V2
| CVSS 2 - Version | 2.0 |
|---|---|
| CVSS 2 - Vector String | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| CVSS 2 - Access Vector | NETWORK |
| CVSS 2 - Access Complexity | LOW |
| CVSS 2 - Authentication | NONE |
| CVSS 2 - Confidentiality Impact | PARTIAL |
| CVSS 2 - Availability Impact | NONE |
| CVSS 2 - Base Score | 5.0 |
| Severity | MEDIUM |
| Exploitability Score | 10.0 |
| Impact Score | 2.9 |
| Obtain All Privilege | false |
| Obtain User Privilege | false |
| Obtain Other Privilege | false |
Base Metric V3
No data provided.
Configurations
-
OR - Configuration 1
Cpe Version Part Vendor Product Version Update Edition Language SW Edition Target SW Target HW Other Version Start Including Version End Including Version Start Excluding Version End Excluding 2.3 Application Openbsd Openssh 3.4p1 * * * * * * * 2.3 Application Openbsd Openssh 3.6.1p1 * * * * * * *
Vulnerable Software List
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openssh | 3.4p1, 3.6.1p1 |
References
| Name | Source | URL | Tags |
|---|---|---|---|
| http://lab.mediaservice.net/advisory/2003-01-openssh.txt | http://lab.mediaservice.net/advisory/2003-01-openssh.txt | MISC | |
| 20030430 OpenSSH/PAM timing attack allows remote users identification | http://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.html | FULLDISC | |
| 20030430 OpenSSH/PAM timing attack allows remote users identification | http://marc.info/?l=bugtraq&m=105172058404810&w=2 | BUGTRAQ | |
| 20030806 [OpenPKG-SA-2003.035] OpenPKG Security Advisory (openssh) | http://marc.info/?l=bugtraq&m=106018677302607&w=2 | BUGTRAQ | |
| RHSA-2003:222 | http://www.redhat.com/support/errata/RHSA-2003-222.html | REDHAT | |
| RHSA-2003:224 | http://www.redhat.com/support/errata/RHSA-2003-224.html | REDHAT | |
| 7467 | http://www.securityfocus.com/bid/7467 | BID | Exploit Patch Vendor Advisory |
| TLSA-2003-31 | http://www.turbolinux.com/security/TLSA-2003-31.txt | TURBO | |
| oval:org.mitre.oval:def:445 | https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445 | OVAL |