CVE-2017-5636 Injection in Apache NiFi

What is CVE-2017-5636?

CVE-2017-5636 is a critical unsafe deserialization vulnerability in Apache Nifi, published on 19 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node.

Weakness: CWE-74

Which versions are affected by CVE-2017-5636?

4 open source packages ship an affected version, including org.apache.nifi:nifi. It affects 1 product.

Products include Apache Nifi.

How do I fix CVE-2017-5636?

Upgrade org.apache.nifi:nifi to a fixed version for your release line: 0.7.2 or 1.1.2.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2017-5636 being exploited?

There is no known exploitation of CVE-2017-5636 in the wild and no public exploit code.

Other vulnerabilities in Apache Nifi

• CVE-2018-1309 Improper Restriction of XML External Entity Reference in Apache NiFi Critical 9.8
• CVE-2017-15697 Apache NiFi XSS issue in context path handling Critical 9.8
• CVE-2026-68981 Apache NiFi: Uncontrolled Resource Consumption through Decompression of HTTP Requests High 8.8
• CVE-2023-36542 Apache NiFi: Potential Code Injection with Properties Referencing Remote Resources High 8.8
• CVE-2023-34468 Apache NiFi: Potential Code Injection with Database Services using H2 High 8.8

All Apache Nifi vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jrcc-7jf5-3pxg.