CVE-2018-11765 Improper Authentication in Apache Hadoop
Attackers can access protected servlets without authentication in Apache Hadoop when Kerberos is enabled but SPNEGO is disabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-11765?
CVE-2018-11765 is a high-severity missing authorization vulnerability in Apache Hadoop, published on 30 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Apache Hadoop versions 3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5, any users can access some servlets without authentication when Kerberos authentication is enabled and SPNEGO through HTTP is not enabled.
Weakness: CWE-287
Which versions are affected by CVE-2018-11765?
6 open source packages ship an affected version, including org.apache.hadoop:hadoop-main. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.hadoop:hadoop-main Maven | From 2.8.0 | 2.8.6 |
org.apache.hadoop:hadoop-main Maven | From 2.8.0 | 2.8.6 |
org.apache.hadoop:hadoop-main Maven | From 2.9.0 | 2.9.3 |
org.apache.hadoop:hadoop-main Maven | From 2.9.0 | 2.9.3 |
org.apache.hadoop:hadoop-main Maven | From 3.0.0-alpha2 | 3.0.1 |
org.apache.hadoop:hadoop-main Maven | From 3.0.0-alpha2 | 3.0.1 |
Products include Apache Hadoop.
How do I fix CVE-2018-11765?
Upgrade org.apache.hadoop:hadoop-main to a fixed version for your release line: 2.8.6, 2.9.3 or 3.0.1.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2018-11765 being exploited?
There is no known exploitation of CVE-2018-11765 in the wild and no public exploit code.
Other vulnerabilities in Apache Hadoop
- CVE-2022-25168 Command injection in org.apache.hadoop.fs.FileUtil.unTarUsingTar
- CVE-2021-37404 Heap buffer overflow in libhdfs native library
- CVE-2022-26612 Arbitrary file write in FileUtil#unpackEntries on Windows
- CVE-2019-17195 Improper Check for Unusual or Exceptional Conditions in Connect2id Nimbus JOSE+JWT
- CVE-2017-15718 Exposure of Sensitive Information in Hadoop
Sources
Also known as GHSA-rhh9-cm65-3w54.