Samba up to 3.6.x GetAliasMembership numeric error

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Samba up to 3.6.x and classified as critical. Affected by this issue is the function GetAliasMembership. This manipulation causes numeric error. This vulnerability is handled as CVE-2012-1182. Additionally, an exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Samba up to 3.6.x (File Transfer Software). It has been declared as very critical. Affected by this vulnerability is the function GetAliasMembership. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The RPC code generator in Samba 3.x before 3.4.16, 3.5.x before 3.5.14, and 3.6.x before 3.6.4 does not implement validation of an array length in a manner consistent with validation of array memory allocation, which allows remote attackers to execute arbitrary code via a crafted RPC call.

The weakness was released 04/10/2012 by Brian Gorenc as ZDI-12-069 (Website) via ZDI (Zero Day Initiative). The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2012-1182 since 02/14/2012. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/05/2024).

A public exploit has been developed in Python. It is possible to download the exploit at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 173 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 74601 (openSUSE Security Update : samba (openSUSE-SU-2012:0508-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 185007 (HP-UX CIFS Server Remote Code Execution Vulnerability (HPSBUX02789)).

Upgrading to version 3.6.4, 3.5.14 or 3.4.16 eliminates this vulnerability. The upgrade is hosted for download at samba.org.Proper firewalling of Ports 137-139 is able to address this issue. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12199. The filter is assigned to the category Vulnerabilities.

The vulnerability is also documented in the databases at Exploit-DB (21850), Tenable (74601), SecurityFocus (BID 52973†), OSVDB (81303†) and Secunia (SA48742†). Additional details are provided at networkworld.com. Entries connected to this vulnerability are available at VDB-5277, VDB-5279, VDB-5284 and VDB-5285. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74601
Nessus Name: openSUSE Security Update : samba (openSUSE-SU-2012:0508-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71254
OpenVAS Name: Debian Security Advisory DSA 2450-1 (samba)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: setinfopolicy_heap.rb
MetaSploit Name: Samba SetInformationPolicy AuditEventsInfo Heap Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Samba 3.6.4/3.5.14/3.4.16
Firewalling: 🔍
TippingPoint: 🔍
TippingPoint Title: 🔍
TippingPoint Category: 🔍

Timelineinfo

10/20/2011 🔍
02/14/2012 +117 days 🔍
04/10/2012 +56 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/25/2012 +15 days 🔍
06/13/2014 +779 days 🔍
11/05/2024 +3798 days 🔍

Sourcesinfo

Product: samba.org

Advisory: ZDI-12-069
Researcher: Brian Gorenc
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-1182 (🔍)
GCVE (CVE): GCVE-0-2012-1182
GCVE (VulDB): GCVE-100-5281

OVAL: 🔍

SecurityFocus: 52973 - Samba 'Perl-Based DCE/RPC IDL' Compiler Remote Code Execution Vulnerability
Secunia: 48742 - Samba RPC Network Data Representation Marshalling Vulnerability, Moderately Critical
OSVDB: 81303
SecurityTracker: 1026913

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 04/25/2012 02:01
Updated: 11/05/2024 12:20
Changes: 04/25/2012 02:01 (94), 04/24/2019 11:07 (5), 11/05/2024 12:20 (17)
Complete: 🔍
Cache ID: 216:B67:103

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

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