VDB-124585 · CVE-2018-1250 · DSA-2018-101

Dell EMC Unity/UnityVSA up to 4.3.1 Unisphere improper authorization

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

Summaryinfo

A vulnerability classified as critical has been found in Dell EMC Unity and UnityVSA up to 4.3.1. Affected is an unknown function of the component Unisphere. This manipulation causes improper authorization. This vulnerability is registered as CVE-2018-1250. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Dell EMC Unity and UnityVSA up to 4.3.1. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Unisphere. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Dell EMC Unity and UnityVSA versions prior to 4.3.1.1525703027 contains an Authorization Bypass vulnerability. A remote authenticated user could potentially exploit this vulnerability to read files in NAS server by directly interacting with certain APIs of Unity OE, bypassing Role-Based Authorization control implemented only in Unisphere GUI.

The bug was discovered 09/18/2018. The weakness was published 09/28/2018 as not defined mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. This vulnerability is known as CVE-2018-1250 since 12/05/2017. The attack can be launched remotely. Required for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 4.3.1.1525703027 eliminates this vulnerability.

Similar entries are available at VDB-124584 and VDB-124586. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Dell EMC

Name

Version

License

commercial

Website

Vendor: https://www.dellemc.com/

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: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Dell): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

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: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Unity/UnityVSA 4.3.1.1525703027

Timelineinfo

12/05/2017 🔍
09/18/2018 +286 days 🔍
09/28/2018 +9 days 🔍
09/28/2018 +0 days 🔍
09/29/2018 +1 days 🔍
05/19/2023 +1693 days 🔍

Sourcesinfo

Vendor: dellemc.com

Advisory: DSA-2018-101
Status: Not defined

CVE: CVE-2018-1250 (🔍)
GCVE (CVE): GCVE-0-2018-1250
GCVE (VulDB): GCVE-100-124585
See also: 🔍

Entryinfo

Created: 09/29/2018 07:40
Updated: 05/19/2023 14:02
Changes: 09/29/2018 07:40 (60), 03/28/2020 08:21 (1), 05/19/2023 13:57 (4), 05/19/2023 14:02 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.