m-server up to 1.4.1 on npm Folder Name Special Char cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in m-server up to 1.4.1 on npm. Affected is an unknown function of the component Folder Name Handler. This manipulation as part of Special Char causes cross site scripting. This vulnerability appears as CVE-2018-16484. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in m-server up to 1.4.1 on npm. Affected by this vulnerability is an unknown code of the component Folder Name Handler. The manipulation as part of a Special Char leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

A XSS vulnerability was found in module m-server <1.4.2 that allows malicious Javascript code or HTML to be executed, due to the lack of escaping for special characters in folder names.

The bug was discovered 07/12/2018. The weakness was presented 02/01/2019 (Website). The advisory is shared at hackerone.com. This vulnerability is known as CVE-2018-16484 since 09/04/2018. The attack can be launched remotely. A single authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 204 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.4.2 eliminates this vulnerability.

See VDB-130394 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: 🔍

Upgrade: m-server 1.4.2

Timelineinfo

07/12/2018 🔍
09/04/2018 +54 days 🔍
02/01/2019 +150 days 🔍
02/01/2019 +0 days 🔍
02/02/2019 +1 days 🔍
05/07/2020 +460 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Not defined

CVE: CVE-2018-16484 (🔍)
GCVE (CVE): GCVE-0-2018-16484
GCVE (VulDB): GCVE-100-130393
See also: 🔍

Entryinfo

Created: 02/02/2019 20:35
Updated: 05/07/2020 11:26
Changes: 02/02/2019 20:35 (60), 05/07/2020 11:26 (1)
Complete: 🔍
Cache ID: 216::103

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

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