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.
6.3	$0-$5k	0.00

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 vulnerability database at Tenable (87779). See 68821, 69204, 79859 and 79860 for similar entries.

Productinfo

Type

• File Transfer Software

Name

• Samba

Version

• 4.3.0
• 4.3.1
• 4.3.2

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.4
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

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: Numeric error
CWE: CWE-189
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: 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 (🔍)
OVAL: 🔍

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

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: 🔍

Discussion

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