KeystoneJS up to 4.0.0-beta.6 CSV Export download.js input validation

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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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in KeystoneJS up to 4.0.0-beta.6 and classified as critical. Affected by this issue is some unknown functionality in the library lib/list/getCSVData.js of the file admin/server/api/download.js of the component CSV Export. Performing a manipulation results in input validation. This vulnerability is known as CVE-2017-15879. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in KeystoneJS up to 4.0.0-beta.6. This affects an unknown part in the library lib/list/getCSVData.js of the file admin/server/api/download.js of the component CSV Export. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

CSV Injection (aka Excel Macro Injection or Formula Injection) exists in admin/server/api/download.js and lib/list/getCSVData.js in KeystoneJS before 4.0.0-beta.7 via a value that is mishandled in a CSV export.

The bug was discovered 10/25/2017. The weakness was published 10/24/2017 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2017-15879 since 10/24/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 4.0.0-beta.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (43053). Similar entry is available at VDB-108614. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

KeystoneJS

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: KeystoneJS 4.0.0-beta.7
Patch: github.com

Timelineinfo

10/24/2017 🔍
10/24/2017 +0 days 🔍
10/24/2017 +0 days 🔍
10/25/2017 +1 days 🔍
10/25/2017 +0 days 🔍
07/29/2025 +2833 days 🔍

Sourcesinfo

Advisory: 144755
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-15879 (🔍)
GCVE (CVE): GCVE-0-2017-15879
GCVE (VulDB): GCVE-100-108615
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/25/2017 09:20
Updated: 07/29/2025 01:51
Changes: 10/25/2017 09:20 (60), 11/30/2019 16:25 (5), 01/04/2023 14:37 (5), 07/29/2025 01:51 (18)
Complete: 🔍
Cache ID: 216::103