VDB-181767 · CVE-2021-37712 · Nessus 216256

node-tar up to 4.4.17/5.0.9/6.1.8 link following

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in node-tar up to 4.4.17/5.0.9/6.1.8. It has been classified as critical. This vulnerability affects unknown code. Performing a manipulation results in link following. This vulnerability is reported as CVE-2021-37712. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in node-tar up to 4.4.17/5.0.9/6.1.8. This affects an unknown code block. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 08/31/2021. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-37712. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 216256 (Oracle Linux 8 : nodejs:20 (ELSA-2025-1351)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.4.18, 5.0.10 or 6.1.9 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (216256). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

node-tar

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

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: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
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

Nessus ID: 216256
Nessus Name: Oracle Linux 8 : nodejs:20 (ELSA-2025-1351)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: node-tar 4.4.18/5.0.10/6.1.9

Timelineinfo

07/29/2021 🔍
08/31/2021 +33 days 🔍
08/31/2021 +0 days 🔍
02/15/2025 +1263 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-37712 (🔍)
GCVE (CVE): GCVE-0-2021-37712
GCVE (VulDB): GCVE-100-181767

Entryinfo

Created: 08/31/2021 21:20
Updated: 02/15/2025 00:53
Changes: 08/31/2021 21:20 (36), 09/03/2021 20:25 (3), 09/03/2021 20:32 (1), 02/15/2025 00:53 (16)
Complete: 🔍
Cache ID: 216::103