PT-2018-9544 · Neo4J Contrib · Neo4J-Apoc-Procedures

Prodigysml · Published 2018-12-20 · Updated 2023-01-23 · CVE-2018-1000820

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions neo4j-contrib neo4j-apoc-procedures versions before commit 45bc09c

Description The issue is related to a XML External Entity (XXE) vulnerability in the XML Parser. This can result in disclosure of confidential data, denial of service, Server-Side Request Forgery (SSRF), and port scanning.

Recommendations For versions before commit 45bc09c, update to a version after commit 45bc09c to resolve the issue. As a temporary workaround, consider restricting the use of the XML Parser to minimize the risk of exploitation.

Exploit

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2018-1000820

GHSA-R2PP-X4MM-4999

Affected Products

Neo4J-Apoc-Procedures

References · 6

• 🔥 https://github.com/neo4j-contrib/neo4j-apoc-procedures/issues/931 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-1000820 · Security Note
• https://osv.dev/vulnerability/CVE-2018-1000820 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-r2pp-x4mm-4999 · Vendor Advisory
• https://t.me/cvenotify/42656 · Telegram Post
• https://0dd.zone/2018/10/27/neo4f-apoc-procedures-XXE · Note