Severity: important
Description:
Apache Commons Text performs variable interpolation, allowing properties to be
dynamically evaluated and expanded. The standard format for interpolation is
"${prefix:name}", where "prefix" is used to locate an instance of
org.apache.commons.text.lookup.StringLookup that performs the interpolation.
Starting with version 1.5 and continuing through 1.9, the set of default Lookup
instances included interpolators that could result in arbitrary code execution
or contact with remote servers. These lookups are: - "script" - execute
expressions using the JVM script execution engine (javax.script) - "dns" -
resolve dns records - "url" - load values from urls, including from remote
servers Applications using the interpolation defaults in the affected versions
may be vulnerable to remote code execution or unintentional contact with remote
servers if untrusted configuration values are used. Users are recommended to
upgrade to Apache Commons Text 1.10.0, which disables the problematic
interpolators by default.
Mitigation:
Upgrade to Apache Commons Text 1.10.0.
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