Samba up to 4.3.2 LDAP Server numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Samba up to 4.3.2. This impacts an unknown function of the component LDAP Server. Executing a manipulation can lead to numeric error. This vulnerability appears as CVE-2015-3223. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Samba up to 4.3.2 (File Transfer Software). This vulnerability affects some unknown functionality of the component LDAP Server. 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, and availability.

The weakness was presented 12/18/2015 by Thilo Uttendorfer as CVE-2015-3223.html as confirmed advisory (Website). The advisory is available at samba.org. This vulnerability was named CVE-2015-3223 since 04/10/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 87779 (CentOS 7 : samba (CESA-2016:0006)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168811 (OpenSuSE Security Update for samba (openSUSE-SU-2016:1064-1)).

Upgrading to version 4.1.22, 4.2.7 or 4.3.3 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 22447.

The vulnerability is also documented in the databases at Tenable (87779), SecurityFocus (BID 79731†), SecurityTracker (ID 1034493†) and Vulnerability Center (SBV-55443†). See VDB-68821, VDB-69204, VDB-79859 and VDB-79860 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
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: 87779
Nessus Name: CentOS 7 : samba (CESA-2016:0006)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2016-633
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: 🔍

Upgrade: Samba 4.1.22/4.2.7/4.3.3
Patch: aa6c27148b9d3f8c1e4fdd5dd46bfecbbd0ca465
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

04/10/2015 🔍
12/16/2015 +250 days 🔍
12/18/2015 +2 days 🔍
12/18/2015 +0 days 🔍
12/18/2015 +0 days 🔍
12/23/2015 +5 days 🔍
12/29/2015 +6 days 🔍
12/30/2015 +1 days 🔍
01/07/2016 +8 days 🔍
01/08/2016 +1 days 🔍
07/01/2022 +2366 days 🔍

Sourcesinfo

Product: samba.org

Advisory: CVE-2015-3223.html
Researcher: Thilo Uttendorfer
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3223 (🔍)
GCVE (CVE): GCVE-0-2015-3223
GCVE (VulDB): GCVE-100-79858

OVAL: 🔍

SecurityFocus: 79731 - Samba ldb 'ldb_wildcard_compare()' Function Denial of Service Vulnerability
SecurityTracker: 1034493
Vulnerability Center: 55443 - Samba Remote DoS due to Mishandling Certain Zero Values, Medium

See also: 🔍

Entryinfo

Created: 12/18/2015 15:14
Updated: 07/01/2022 12:15
Changes: 12/18/2015 15:14 (69), 06/20/2018 08:28 (28), 07/01/2022 12:15 (5)
Complete: 🔍
Cache ID: 216:D39:103

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