Bug ID 1217005
Summary VUL-0: CVE-2023-39913: Apache UIMA Java SDK: Deserialization of Untrusted Data, Improper Input Validation vulnerability
Classification openSUSE
Product openSUSE Distribution
Version Leap 15.6
Hardware Other
URL https://smash.suse.de/issue/384337/
OS Other
Status NEW
Severity Normal
Priority P5 - None
Component Security
Assignee fstrba@suse.com
Reporter smash_bz@suse.de
QA Contact security-team@suse.de
CC stoyan.manolov@suse.com
Target Milestone ---
Found By Security Response Team
Blocker ---

Deserialization of Untrusted Data, Improper Input Validation vulnerability in
Apache UIMA Java SDK, Apache UIMA Java SDK, Apache UIMA Java SDK, Apache UIMA
Java SDK.This issue affects Apache UIMA Java SDK: before 3.5.0.

Users are recommended to upgrade to version 3.5.0, which fixes the issue.

There are several locations in the code where serialized Java objects are
deserialized without verifying the data. This affects in particular:
  *  the deserialization of a Java-serialized CAS, but also other binary CAS
formats that include TSI information using the CasIOUtils class;
  *  the CAS Editor Eclipse plugin which uses the the CasIOUtils class to load
data;
  *  the deserialization of a Java-serialized CAS of the Vinci Analysis Engine
service which can receive using Java-serialized CAS objects over network
connections;
  *  the CasAnnotationViewerApplet and the CasTreeViewerApplet;
  *  the checkpointing feature of the CPE module.

Note that the UIMA framework by default does not start any remotely accessible
services (i.e. Vinci) that would be vulnerable to this issue. A user or
developer would need to make an active choice to start such a service. However,
users or developers may use the CasIOUtils in their own applications and
services to parse serialized CAS data. They are affected by this issue unless
they ensure that the data passed to CasIOUtils is not a serialized Java object.

When using Vinci or using CasIOUtils in own services/applications, the
unrestricted deserialization of Java-serialized CAS files may allow arbitrary
(remote) code execution.

As a remedy, it is possible to set up a global or context-specific
ObjectInputFilter (cf.  https://openjdk.org/jeps/290  and 
https://openjdk.org/jeps/415 ) if running UIMA on a Java version that supports
it. 

Note that Java 1.8 does not support the ObjectInputFilter, so there is no
remedy
when running on this out-of-support platform. An upgrade to a recent Java
version is strongly recommended if you need to secure an UIMA version that is
affected by this issue.

To mitigate the issue on a Java 9+ platform, you can configure a filter pattern
through the "jdk.serialFilter" system property using a semicolon as a
separator:

To allow deserializing Java-serialized binary CASes, add the classes:
  *  org.apache.uima.cas.impl.CASCompleteSerializer
  *  org.apache.uima.cas.impl.CASMgrSerializer
  *  org.apache.uima.cas.impl.CASSerializer
  *  java.lang.String

To allow deserializing CPE Checkpoint data, add the following classes (and any
custom classes your application uses to store its checkpoints):
  *  org.apache.uima.collection.impl.cpm.CheckpointData
  *  org.apache.uima.util.ProcessTrace
  *  org.apache.uima.util.impl.ProcessTrace_impl
  *  org.apache.uima.collection.base_cpm.SynchPoint

Make sure to use "!*" as the final component to the filter pattern to disallow
deserialization of any classes not listed in the pattern.

Apache UIMA 3.5.0 uses tightly scoped ObjectInputFilters when reading
Java-serialized data depending on the type of data being expected. Configuring
a
global filter is not necessary with this version.



References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-39913


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