CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

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 issues 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) and Tenable (68185). The entry 55640 is related to this item.

Productinfo

Vendor

• Miloslav Trmac

Name

• libuser

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31
• 0.32
• 0.33
• 0.34
• 0.35
• 0.36
• 0.37
• 0.38
• 0.39
• 0.40
• 0.41
• 0.42
• 0.43
• 0.44
• 0.45
• 0.46
• 0.47
• 0.48
• 0.49

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.5
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

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 🔍
10/13/2021 +2400 days 🔍

Sourcesinfo

Advisory: RHSA-2011:0170
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-0002 (🔍)
OVAL: 🔍
IAVM: 🔍

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

See also: 🔍

Entryinfo

Created: 03/19/2015 23:27
Updated: 10/13/2021 05:40
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)
Complete: 🔍
Cache ID: 3:5D6:103

Discussion

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