Eyrie Pam-krb5 2.2.14/2.3/2.3.4 User Account improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Eyrie Pam-krb5 2.2.14/2.3/2.3.4. It has been rated as problematic. Affected by this issue is some unknown functionality of the component User Account. The manipulation leads to improper authentication. This vulnerability is referenced as CVE-2009-1384. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Eyrie Pam-krb5 2.2.14/2.3/2.3.4 and classified as problematic. This issue affects an unknown function of the component User Account. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality. The summary by CVE is:

pam_krb5 2.2.14 through 2.3.4, as used in Red Hat Enterprise Linux (RHEL) 5, generates different password prompts depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

The bug was discovered 05/28/2009. The weakness was published 05/27/2009 by Jan Lieskovsky as Bug 502602 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2009-1384 since 04/23/2009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 39541 (Fedora 9 : pam_krb5-2.3.5-1.fc9 (2009-6279)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118072 (VMware ESX Service Console Third Party Updates (VMSA-2010-0009)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (50814), Tenable (39541), SecurityFocus (BID 35112†), OSVDB (54791†) and Secunia (SA35230†). Similar entries are available at VDB-3781, VDB-3782, VDB-3780 and VDB-3779. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 39541
Nessus Name: Fedora 9 : pam_krb5-2.3.5-1.fc9 (2009-6279)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 64301
OpenVAS Name: Fedora Core 11 FEDORA-2009-5983 (pam_krb5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

04/23/2009 🔍
05/27/2009 +34 days 🔍
05/27/2009 +0 days 🔍
05/27/2009 +0 days 🔍
05/28/2009 +1 days 🔍
05/28/2009 +0 days 🔍
05/28/2009 +0 days 🔍
06/15/2009 +17 days 🔍
06/28/2009 +13 days 🔍
06/29/2009 +1 days 🔍
03/17/2015 +2087 days 🔍
03/30/2025 +3666 days 🔍

Sourcesinfo

Advisory: Bug 502602
Researcher: Jan Lieskovsky
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-1384 (🔍)
GCVE (CVE): GCVE-0-2009-1384
GCVE (VulDB): GCVE-100-48335

OVAL: 🔍
IAVM: 🔍

X-Force: 50814
SecurityFocus: 35112 - pam_krb5 Existing/Non-Existing Username Enumeration Weakness
Secunia: 35230
OSVDB: 54791 - pam_krb5 Login Prompt Remote Username Enumeration
Vulnerability Center: 22713 - Red Hat Enterprise Linux 5 pam_krb5 2.2.14 - 2.3.4 Remote Sensitive Information Disclosure, High
Vupen: ADV-2009-1448

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 03/30/2025 03:58
Changes: 03/17/2015 23:38 (81), 09/06/2019 20:11 (7), 03/30/2025 03:58 (20)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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