EMC Avamar Server path traversal

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

Summaryinfo

A vulnerability, which was classified as critical, has been found in EMC Avamar Server, NetWorker Virtual Edition and Integrated Data Protection Appliance. This affects an unknown part. Performing a manipulation results in path traversal. This vulnerability is cataloged as CVE-2017-15550. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in EMC Avamar Server, NetWorker Virtual Edition and Integrated Data Protection Appliance (Backup Software) (affected version unknown). It has been classified as critical. This affects an unknown functionality. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. The summary by CVE is:

An issue was discovered in EMC Avamar Server 7.1.x, 7.2.x, 7.3.x, 7.4.x, 7.5.0; EMC NetWorker Virtual Edition (NVE) 9.0.x, 9.1.x, 9.2.x; and EMC Integrated Data Protection Appliance 2.0. A remote authenticated malicious user with low privileges could access arbitrary files on the server file system in the context of the running vulnerable application via Path traversal.

The bug was discovered 01/02/2018. The weakness was shared 01/05/2018 as confirmed mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2017-15550 since 10/17/2017. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 105586 (VMware vSphere Data Protection 5.x / 6.0.x < 6.0.7 / 6.1.x < 6.1.6 Multiple Vulnerabilities (VMSA-2018-0001), 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216143 (VMware vSphere Data Protection (VDP) Multiple Vulnerabilities(VMSA-2018-0001)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105586), SecurityFocus (BID 102358†) and SecurityTracker (ID 1040070†). The entries VDB-111397 and VDB-111398 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Path traversal
CWE: CWE-22
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: 105586
Nessus Name: VMware vSphere Data Protection 5.x / 6.0.x < 6.0.7 / 6.1.x < 6.1.6 Multiple Vulnerabilities (VMSA-2018-0001
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/17/2017 🔍
01/02/2018 +77 days 🔍
01/02/2018 +0 days 🔍
01/02/2018 +0 days 🔍
01/03/2018 +1 days 🔍
01/04/2018 +1 days 🔍
01/05/2018 +1 days 🔍
01/05/2018 +0 days 🔍
01/06/2018 +1 days 🔍
12/20/2019 +713 days 🔍

Sourcesinfo

Vendor: dellemc.com

Advisory: seclists.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-15550 (🔍)
GCVE (CVE): GCVE-0-2017-15550
GCVE (VulDB): GCVE-100-111399
SecurityFocus: 102358 - VMware vSphere Data Protection CVE-2017-15550 Directory Traversal Vulnerability
SecurityTracker: 1040070

See also: 🔍

Entryinfo

Created: 01/06/2018 17:13
Updated: 12/20/2019 10:06
Changes: 01/06/2018 17:13 (68), 12/20/2019 10:06 (9)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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