CVE-2018-1000820 XML External Entity (XXE) vulnerability in neo4j.procedure:apoc
An XML External Entity vulnerability in Neo4j APOC procedures allows attackers to disclose confidential data, cause denial of service, or perform SSRF.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-1000820?
CVE-2018-1000820 is a critical vulnerability in n/a, published on 20 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
neo4j-contrib neo4j-apoc-procedures version before commit 45bc09c contains a XML External Entity (XXE) vulnerability in XML Parser that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This vulnerability appears to have been fixed in after commit 45bc09c.
Weakness: CWE-611
Which versions are affected by CVE-2018-1000820?
2 open source packages ship an affected version, including org.neo4j.procedure:apoc. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.neo4j.procedure:apoc Maven | All versions | 3.4.0.4 |
org.neo4j.procedure:apoc Maven | All versions | 3.4.0.4 |
Products include Neo4j Awesome Procedures on Cyper.
How do I fix CVE-2018-1000820?
Upgrade org.neo4j.procedure:apoc to 3.4.0.4 or later.
Is CVE-2018-1000820 being exploited?
There is no known exploitation of CVE-2018-1000820 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-r2pp-x4mm-4999.