Unitrends Backup up to 9.x bpserverd improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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9.6$0-$5k1.02

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Unitrends Backup up to 9.x. Impacted is an unknown function of the component bpserverd. The manipulation leads to improper authentication. This vulnerability is referenced as CVE-2017-12477. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Unitrends Backup up to 9.x (Backup Software) and classified as critical. This issue affects an unknown functionality of the component bpserverd. The manipulation with an unknown input 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 bpserverd proprietary protocol in Unitrends Backup (UB) before 10.0.0, as invoked through xinetd, has an issue in which its authentication can be bypassed. A remote attacker could use this issue to execute arbitrary commands with root privilege on the target system.

The bug was discovered 08/07/2017. The weakness was published 08/07/2017 (Website). The advisory is shared at support.unitrends.com. The identification of this vulnerability is CVE-2017-12477 since 08/04/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as highly functional.

Upgrading to version 10.0.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42957). Similar entries are available at VDB-104947 and VDB-104946. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

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
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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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OpenVAS ID: 800787
OpenVAS Name: Unitrends RCE Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

MetaSploit ID: ueb9_bpserverd.rb
MetaSploit Name: Unitrends UEB bpserverd authentication bypass RCE
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Backup 10.0.0

Timelineinfo

08/04/2017 🔍
08/07/2017 +3 days 🔍
08/07/2017 +0 days 🔍
08/07/2017 +0 days 🔍
08/08/2017 +1 days 🔍
06/12/2024 +2500 days 🔍

Sourcesinfo

Advisory: support.unitrends.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12477 (🔍)
GCVE (CVE): GCVE-0-2017-12477
GCVE (VulDB): GCVE-100-104945
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/08/2017 12:40
Updated: 06/12/2024 05:43
Changes: 08/08/2017 12:40 (68), 11/04/2019 14:28 (5), 06/12/2024 05:43 (17)
Complete: 🔍
Cache ID: 216::103

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

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