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              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
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              "scope": "UNCHANGED",
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              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
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              "content": {
                "id": "CVE-2023-39913",
                "options": [
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-04T19:07:42.826793Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.uima:uimaj-core",
          "product": "Apache UIMA Java SDK Core",
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          "vendor": "Apache Software Foundation",
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          "packageName": "org.apache.uima:uimaj-adapter-vinci",
          "product": "Apache UIMA Java SDK Vinci adapter",
          "vendor": "Apache Software Foundation",
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          "packageName": "org.apache.uima:uimaj-tools",
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      "credits": [
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          "type": "reporter",
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              "value": "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.\u003cp\u003eThis issue affects Apache UIMA Java SDK: before 3.5.0.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 3.5.0, which fixes the issue.\u003c/p\u003eThere are several locations in the code where serialized Java objects are deserialized without verifying the data. This affects in particular:\u003cbr\u003e\u003cul\u003e\u003cli\u003e\u003cspan style=\"background-color: var(--wht);\"\u003ethe deserialization of a Java-serialized CAS, but also other binary CAS formats that include TSI information using the CasIOUtils class;\u003c/span\u003e\u003c/li\u003e\u003cli\u003e\u003cspan style=\"background-color: var(--wht);\"\u003ethe CAS Editor Eclipse plugin which uses the\u0026nbsp;the CasIOUtils class to load data;\u003c/span\u003e\u003c/li\u003e\u003cli\u003e\u003cspan style=\"background-color: var(--wht);\"\u003ethe deserialization of a Java-serialized CAS of the Vinci Analysis Engine service which can receive using Java-serialized CAS objects over network connections;\u003c/span\u003e\u003c/li\u003e\u003cli\u003e\u003cspan style=\"background-color: var(--wht);\"\u003ethe CasAnnotationViewerApplet and the CasTreeViewerApplet;\u003c/span\u003e\u003c/li\u003e\u003cli\u003e\u003cspan style=\"background-color: var(--wht);\"\u003ethe checkpointing feature of the CPE module.\u003c/span\u003e\u003c/li\u003e\u003c/ul\u003eNote 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 \u003cb\u003enot\u003c/b\u003e a serialized Java object.\u003cbr\u003e\u003cbr\u003eWhen using Vinci or using CasIOUtils in own services/applications,\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ethe unrestricted deserialization of Java-serialized CAS files may allow arbitrary (remote) code execution.\u003c/span\u003e\u003cbr\u003e\u003cbr\u003eAs a remedy, it is possible to set up a global or context-specific ObjectInputFilter (cf. \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://openjdk.org/jeps/290\"\u003ehttps://openjdk.org/jeps/290\u003c/a\u003e\u0026nbsp;and\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://openjdk.org/jeps/415\"\u003ehttps://openjdk.org/jeps/415\u003c/a\u003e) if running UIMA on a Java version that supports it. \u003cbr\u003e\u003cbr\u003eNote 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.\u003cbr\u003e\u003cbr\u003eTo mitigate the issue on a Java 9+ platform, you can configure a filter pattern through the \u003ci\u003e\"jdk.serialFilter\"\u003c/i\u003e system property using a semicolon as a separator:\u003cbr\u003e\u003cbr\u003eTo allow deserializing Java-serialized binary CASes, add the classes:\u003cbr\u003e\u003cul\u003e\u003cli\u003e\u003cspan style=\"background-color: var(--wht);\"\u003eorg.apache.uima.cas.impl.CASCompleteSerializer\u003c/span\u003e\u003c/li\u003e\u003cli\u003eorg.apache.uima.cas.impl.CASMgrSerializer\u003c/li\u003e\u003cli\u003eorg.apache.uima.cas.impl.CASSerializer\u003c/li\u003e\u003cli\u003ejava.lang.String\u003c/li\u003e\u003c/ul\u003eTo allow deserializing CPE Checkpoint data, add the following classes (and any custom classes your application uses to store its checkpoints):\u003cbr\u003e\u003cul\u003e\u003cli\u003eorg.apache.uima.collection.impl.cpm.CheckpointData\u003c/li\u003e\u003cli\u003eorg.apache.uima.util.ProcessTrace\u003c/li\u003e\u003cli\u003eorg.apache.uima.util.impl.ProcessTrace_impl\u003c/li\u003e\u003cli\u003eorg.apache.uima.collection.base_cpm.SynchPoint\u003c/li\u003e\u003c/ul\u003eMake sure to use \"!*\" as the final component to the filter pattern to disallow deserialization of any classes not listed in the pattern.\u003cbr\u003e\u003cbr\u003eApache 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.\u003cbr\u003e\u003cbr\u003e"
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