LXCI for VMware/LXCI for Microsoft System Center File Upload Certificate unrestricted upload

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 (≈)
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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.
6.1$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in LXCI for VMware and LXCI for Microsoft System Center. The affected element is an unknown function of the component File Upload. Performing a manipulation as part of Certificate results in unrestricted upload. This vulnerability was named CVE-2018-16097. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in LXCI for VMware and LXCI for Microsoft System Center (affected version not known). This affects some unknown functionality of the component File Upload. The manipulation as part of a Certificate leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

LXCI for VMware versions prior to 5.5 and LXCI for Microsoft System Center versions prior to 3.5, allow an authenticated user to write to any system file due to insufficient sanitization during the upload of a certificate.

The bug was discovered 11/29/2018. The weakness was presented 11/30/2018 (Website). The advisory is shared at support.lenovo.com. This vulnerability is uniquely identified as CVE-2018-16097 since 08/29/2018. It is possible to initiate the attack remotely. A authentication is required for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

See VDB-127352 and VDB-127376 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
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: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/29/2018 🔍
11/29/2018 +92 days 🔍
11/30/2018 +1 days 🔍
11/30/2018 +0 days 🔍
12/01/2018 +1 days 🔍
04/16/2020 +502 days 🔍

Sourcesinfo

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

CVE: CVE-2018-16097 (🔍)
GCVE (CVE): GCVE-0-2018-16097
GCVE (VulDB): GCVE-100-127353
See also: 🔍

Entryinfo

Created: 12/01/2018 20:11
Updated: 04/16/2020 15:30
Changes: 12/01/2018 20:11 (57), 04/16/2020 15:30 (2)
Complete: 🔍
Cache ID: 216::103

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

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