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HIGH7.5

GHSA-395w-qhqr-9fr6

Path Traversal in Apache Flink

Quick fix

GHSA-395w-qhqr-9fr6 — org.apache.flink:flink-runtime_2.11: upgrade to the fixed version with the command below.

# pom.xml: bump <version>1.11.3</version> for org.apache.flink:flink-runtime_2.11

Details

A change introduced in Apache Flink 1.11.0 (and released in 1.11.1 and 1.11.2 as well) allows attackers to read any file on the local filesystem of the JobManager through the REST interface of the JobManager process. Access is restricted to files accessible by the JobManager process. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit b561010b0ee741543c3953306037f00d7a9f0801 from apache/flink:master.

Are you affected?

Enter the version of the package you're using.

Affected packages

Maven/org.apache.flink:flink-runtime_2.11
Introduced in: 1.11.0Fixed in: 1.11.3
Fix# pom.xml: bump <version>1.11.3</version> for org.apache.flink:flink-runtime_2.11
Maven/org.apache.flink:flink-runtime_2.12
Introduced in: 1.11.0Fixed in: 1.11.3
Fix# pom.xml: bump <version>1.11.3</version> for org.apache.flink:flink-runtime_2.12

References