Unitrends Backup up to 10.0.x User Interface /api/hosts Parameter improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Unitrends Backup up to 10.0.x. Affected by this issue is some unknown functionality of the file /api/hosts of the component User Interface. The manipulation as part of Parameter leads to improper authentication. This vulnerability is traded as CVE-2018-6328. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Unitrends Backup up to 10.0.x (Backup Software). This issue affects some unknown functionality of the file /api/hosts of the component User Interface. The manipulation as part of a Parameter leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed to an authentication bypass, which then could allow an unauthenticated user to inject arbitrary commands into its /api/hosts parameters using backquotes.

The bug was discovered 02/06/2018. The weakness was shared 03/14/2018 (Website). It is possible to read the advisory at support.unitrends.com. The identification of this vulnerability is CVE-2018-6328 since 01/26/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 36 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 10.1.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44297). The entry VDB-114600 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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MetaSploit ID: ueb_api_rce.rb
MetaSploit Name: Unitrends UEB http api remote code execution
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Backup 10.1.0

Timelineinfo

01/26/2018 🔍
02/06/2018 +11 days 🔍
03/14/2018 +36 days 🔍
03/14/2018 +0 days 🔍
03/15/2018 +1 days 🔍
12/21/2024 +2473 days 🔍

Sourcesinfo

Advisory: support.unitrends.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-6328 (🔍)
GCVE (CVE): GCVE-0-2018-6328
GCVE (VulDB): GCVE-100-114599
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/15/2018 07:39
Updated: 12/21/2024 15:21
Changes: 03/15/2018 07:39 (63), 01/13/2020 17:51 (8), 12/21/2024 15:21 (18)
Complete: 🔍
Cache ID: 216::103

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

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