Samba up to 4.3.2 Shadow Copy information disclosure

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

Summaryinfo

A vulnerability was found in Samba up to 4.3.2. It has been classified as critical. Affected by this issue is some unknown functionality of the component Shadow Copy Handler. This manipulation causes information disclosure. This vulnerability is handled as CVE-2015-5299. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Samba up to 4.3.2 (File Transfer Software) and classified as critical. Affected by this vulnerability is an unknown code block of the component Shadow Copy Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 12/18/2015 as CVE-2015-5299.html as confirmed advisory (Website). The advisory is shared at samba.org. This vulnerability is known as CVE-2015-5299 since 07/01/2015. 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 T1592 for this issue.

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.

The vulnerability is also documented in the databases at Tenable (87779), SecurityFocus (BID 79729†), SecurityTracker (ID 1034493†) and Vulnerability Center (SBV-55440†). Entries connected to this vulnerability are available at VDB-68821, VDB-69204, VDB-79858 and VDB-79859. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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-2016-634
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: 675fd8d771f9d43e354dba53ddd9b5483ae0a1d7

Timelineinfo

07/01/2015 🔍
12/18/2015 +170 days 🔍
12/18/2015 +0 days 🔍
12/18/2015 +0 days 🔍
12/23/2015 +5 days 🔍
12/29/2015 +6 days 🔍
12/29/2015 +0 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-2015-5299.html
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5299 (🔍)
GCVE (CVE): GCVE-0-2015-5299
GCVE (VulDB): GCVE-100-79861

OVAL: 🔍

SecurityFocus: 79729 - Samba CVE-2015-5299 Remote Security Bypass Vulnerability
SecurityTracker: 1034493
Vulnerability Center: 55440 - Samba Remote Restrictions Bypass due to a Missing Access Control Check in the vfs_shadow_copy2 Module, Medium

See also: 🔍

Entryinfo

Created: 12/18/2015 15:14
Updated: 07/01/2022 12:36
Changes: 12/18/2015 15:14 (67), 06/20/2018 08:27 (25), 07/01/2022 12:36 (6)
Complete: 🔍
Cache ID: 216:FA8:103

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