VDB-119194 · CVE-2018-3712 · GCVE-0-2018-3712

Serve up to 6.4.8 on Node.js URL path traversal

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Serve up to 6.4.8 on Node.js. This impacts an unknown function of the component URL Handler. Executing a manipulation can lead to path traversal. The identification of this vulnerability is CVE-2018-3712. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Serve up to 6.4.8 on Node.js (JavaScript Library). It has been declared as critical. This vulnerability affects an unknown code block of the component URL Handler. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

serve node module before 6.4.9 suffers from a Path Traversal vulnerability due to not handling %2e (.) and %2f (/) and allowing them in paths, which allows a malicious user to view the contents of any directory with known path.

The bug was discovered 01/23/2018. The weakness was shared 06/07/2018 (Website). The advisory is available at github.com. This vulnerability was named CVE-2018-3712 since 12/28/2017. The exploitation appears to be easy. The attack can be initiated remotely. The requirement for exploitation is a single authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 134 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.4.9 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

JavaScript Library

Name

Serve

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

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: Path traversal
CWE: CWE-22
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: Serve 6.4.9
Patch: github.com

Timelineinfo

12/28/2017 🔍
01/23/2018 +26 days 🔍
06/06/2018 +133 days 🔍
06/07/2018 +1 days 🔍
06/07/2018 +0 days 🔍
03/21/2023 +1748 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-3712 (🔍)
GCVE (CVE): GCVE-0-2018-3712
GCVE (VulDB): GCVE-100-119194

Entryinfo

Created: 06/07/2018 10:44
Updated: 03/21/2023 20:54
Changes: 06/07/2018 10:44 (59), 02/16/2020 17:44 (1), 03/21/2023 20:54 (4)
Complete: 🔍
Cache ID: 216::103