Miloslav Trmac libuser up to 0.49 User Account cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Miloslav Trmac libuser up to 0.49. Affected is an unknown function of the component User Account. This manipulation causes cryptographic issue. The identification of this vulnerability is CVE-2011-0002. There is no exploit available. It is recommended to strengthen authentication.

Detailsinfo

A vulnerability has been found in Miloslav Trmac libuser up to 0.49 and classified as critical. Affected by this vulnerability is some unknown processing of the component User Account. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attackers to obtain access by specifying one of these values.

The weakness was shared 01/13/2011 (Website). The advisory is shared at fedorahosted.org. This vulnerability is known as CVE-2011-0002. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 68185 (Oracle Linux 4 / 5 / 6 : libuser (ELSA-2011-0170)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119749 (VMware Third Party Component Updates for VMware vCenter Server, vCenter Update Manager (VMSA-2011-0013)).

Upgrading to version 0.50 eliminates this vulnerability. It is possible to mitigate the problem by adding an authentication mechanism. The best possible mitigation is suggested to be adding authentication. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (64677), Tenable (68185), SecurityFocus (BID 45791†), OSVDB (70421†) and SecurityTracker (ID 1024960†). The entry VDB-55640 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68185
Nessus Name: Oracle Linux 4 / 5 / 6 : libuser (ELSA-2011-0170)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 880470
OpenVAS Name: CentOS Update for libuser CESA-2011:0170 centos4 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Authentication
Status: 🔍

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

Upgrade: libuser 0.50

Timelineinfo

12/07/2010 🔍
01/13/2011 +37 days 🔍
01/13/2011 +0 days 🔍
01/13/2011 +0 days 🔍
01/13/2011 +0 days 🔍
01/13/2011 +0 days 🔍
01/22/2011 +8 days 🔍
01/24/2011 +2 days 🔍
07/12/2013 +900 days 🔍
03/19/2015 +615 days 🔍
12/01/2024 +3545 days 🔍

Sourcesinfo

Advisory: RHSA-2011:0170
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0002 (🔍)
GCVE (CVE): GCVE-0-2011-0002
GCVE (VulDB): GCVE-100-56209

OVAL: 🔍
IAVM: 🔍

X-Force: 64677
SecurityFocus: 45791 - libuser 'luseradd' Default Password Security Bypass Vulnerability
Secunia: 42891
OSVDB: 70421 - libuser luseradd Default Password Weakness
SecurityTracker: 1024960
Vulnerability Center: 29343 - libuser Prior to 0.57 Cleartext Password Value Allows Remote Authentication Bypass, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 23:27
Updated: 12/01/2024 02:33
Changes: 03/19/2015 23:27 (70), 03/14/2017 11:45 (9), 10/13/2021 05:31 (6), 10/13/2021 05:40 (1), 12/01/2024 02:33 (21)
Complete: 🔍
Cache ID: 216:0C2:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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