GNU Samba 3.0/3.0.0/3.0.1 Password mksmbpasswd.sh improper authentication

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

Summaryinfo

A vulnerability categorized as problematic has been discovered in GNU Samba 3.0/3.0.0/3.0.1. The affected element is an unknown function of the file mksmbpasswd.sh of the component Password Handler. Such manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2004-0082. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in GNU Samba 3.0/3.0.0/3.0.1 (File Transfer Software). It has been rated as critical. Affected by this issue is an unknown functionality of the file mksmbpasswd.sh of the component Password Handler. 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, and integrity. CVE summarizes:

The mksmbpasswd shell script (mksmbpasswd.sh) in Samba 3.0.0 and 3.0.1, when creating an account but marking it as disabled, may overwrite the user password with an uninitialized buffer, which could enable the account with a more easily guessable password.

The weakness was disclosed 02/10/2004 as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2004-0082. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 17722 (Samba < 3.0.2 mksmbpasswd.sh Uninitialized Passwords), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at bibsyst.no. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (15132), Tenable (17722), SecurityFocus (BID 9637†), OSVDB (3919†) and Secunia (SA10842†). securityfocus.com is providing further details. The entries VDB-511 and VDB-21651 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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: 🔍
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 17722
Nessus Name: Samba < 3.0.2 mksmbpasswd.sh Uninitialized Passwords
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52527
OpenVAS Name: FreeBSD Ports: samba
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: bibsyst.no

Timelineinfo

02/09/2004 🔍
02/10/2004 +1 days 🔍
02/11/2004 +1 days 🔍
02/12/2004 +0 days 🔍
02/12/2004 +0 days 🔍
03/03/2004 +20 days 🔍
05/07/2009 +1891 days 🔍
11/18/2011 +925 days 🔍
03/09/2021 +3399 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2004-0082 (🔍)
GCVE (CVE): GCVE-0-2004-0082
GCVE (VulDB): GCVE-100-512

OVAL: 🔍

X-Force: 15132 - Samba mksmbpasswd.sh could allow an attacker to gain access to user`s account, Medium Risk
SecurityFocus: 9637 - Samba Mksmbpasswd.sh Insecure User Account Creation Vulnerability
Secunia: 10842 - Samba Local Privilege Escalation Issue, Less Critical
OSVDB: 3919
Vulnerability Center: 21931 - Samba 3.0.0 and 3.0.1 Remote User Accounts Access Vulnerability, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 02/12/2004 11:25
Updated: 03/09/2021 11:28
Changes: 02/12/2004 11:25 (57), 06/07/2017 16:02 (34), 03/09/2021 11:28 (2)
Complete: 🔍
Cache ID: 216::103

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