Eclipse RDF4j up to 2.4.0 XML Parser RDF File xml external entity reference

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Eclipse RDF4j up to 2.4.0. This issue affects some unknown processing of the component XML Parser. The manipulation as part of RDF File results in xml external entity reference. This vulnerability is reported as CVE-2018-1000644. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Eclipse RDF4j up to 2.4.0. It has been classified as critical. Affected is an unknown code block of the component XML Parser. The manipulation as part of a RDF File leads to a xml external entity reference vulnerability. CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Eclipse RDF4j version < 2.4.0 Milestone 2 contains a XML External Entity (XXE) vulnerability in RDF4j XML parser parsing RDF files that can result in the disclosure of confidential data, denial of service, server side request forgery, port scanning. This attack appear to be exploitable via Specially crafted RDF file.

The bug was discovered 08/05/2018. The weakness was disclosed 08/20/2018 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-1000644 since 08/20/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2018-0528). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.3
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
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: Xml external entity reference
CWE: CWE-611 / CWE-610
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/05/2018 🔍
08/20/2018 +14 days 🔍
08/20/2018 +0 days 🔍
08/20/2018 +0 days 🔍
08/21/2018 +1 days 🔍
10/15/2025 +2612 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1056
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000644 (🔍)
GCVE (CVE): GCVE-0-2018-1000644
GCVE (VulDB): GCVE-100-123072
EUVD: 🔍

Entryinfo

Created: 08/21/2018 07:22
Updated: 10/15/2025 20:20
Changes: 08/21/2018 07:22 (58), 03/17/2020 08:28 (2), 05/02/2023 17:32 (4), 10/15/2025 20:20 (15)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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