EMC Avamar Server improper authentication

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.
9.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in EMC Avamar Server, NetWorker Virtual Edition and Integrated Data Protection Appliance. Affected by this vulnerability is an unknown functionality. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2017-15548. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in EMC Avamar Server, NetWorker Virtual Edition and Integrated Data Protection Appliance (Backup Software) (version now known) and classified as very critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. 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 unauthenticated malicious user can potentially bypass application authentication and gain unauthorized root access to the affected systems.

The bug was discovered 01/02/2018. The weakness was disclosed 01/05/2018 (Website). The advisory is shared at seclists.org. This vulnerability is known as CVE-2017-15548 since 10/17/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/20/2019).

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 102352†) and SecurityTracker (ID 1040070†). The entries VDB-111398 and VDB-111399 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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-2017-15548 (🔍)
GCVE (CVE): GCVE-0-2017-15548
GCVE (VulDB): GCVE-100-111397
SecurityFocus: 102352 - VMware vSphere Data Protection CVE-2017-15548 Authentication Bypass Vulnerability
SecurityTracker: 1040070

See also: 🔍

Entryinfo

Created: 01/06/2018 17:12
Updated: 12/20/2019 09:52
Changes: 01/06/2018 17:12 (67), 12/20/2019 09:52 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!