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critical severity
new

Deserialization of Untrusted Data

  • Vulnerable module: com.fasterxml.jackson.core:jackson-databind
  • Introduced through: com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0, io.descoped.dc:data-collector-api@2.0.4 and others

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0
    Remediation: Upgrade to com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0.
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.dataformat:jackson-dataformat-yaml@2.18.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.dataformat:jackson-dataformat-yaml@2.18.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0

Overview

com.fasterxml.jackson.core:jackson-databind is a library which contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor.

Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the DatabindContext._resolveAndValidateGeneric() method, which validates only the raw container class of a type identifier against the configured PolymorphicTypeValidator and not its nested generic type arguments. An attacker who controls the type identifier can instantiate a denied class, and reach unauthenticated remote code execution through an available gadget, by embedding that class as a generic parameter of an allowlisted container such as java.util.ArrayList<com.evil.Gadget>, which passes validation while the nested type is loaded, instantiated, and populated with attacker-controlled values. Exploitation requires polymorphic type validation to be enabled with a configured validator, the application to deserialize untrusted JSON, and a suitable gadget class on the classpath.

Details

Serialization is a process of converting an object into a sequence of bytes which can be persisted to a disk or database or can be sent through streams. The reverse process of creating object from sequence of bytes is called deserialization. Serialization is commonly used for communication (sharing objects between multiple hosts) and persistence (store the object state in a file or a database). It is an integral part of popular protocols like Remote Method Invocation (RMI), Java Management Extension (JMX), Java Messaging System (JMS), Action Message Format (AMF), Java Server Faces (JSF) ViewState, etc.

Deserialization of untrusted data (CWE-502) is when the application deserializes untrusted data without sufficiently verifying that the resulting data will be valid, thus allowing the attacker to control the state or the flow of the execution.

Remediation

Upgrade com.fasterxml.jackson.core:jackson-databind to version 2.18.8, 2.21.4 or higher.

References

Deserialization of Untrusted Data vulnerability report

critical severity
new

Incomplete List of Disallowed Inputs

  • Vulnerable module: com.fasterxml.jackson.core:jackson-databind
  • Introduced through: com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0, io.descoped.dc:data-collector-api@2.0.4 and others

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0
    Remediation: Upgrade to com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0.
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.dataformat:jackson-dataformat-yaml@2.18.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.dataformat:jackson-dataformat-yaml@2.18.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0

Overview

com.fasterxml.jackson.core:jackson-databind is a library which contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor.

Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs in the BasicPolymorphicTypeValidator.Builder.allowIfSubTypeIsArray() method, which allowlists an array based only on clazz.isArray() and does not validate the array's component type. An attacker who controls the deserialized JSON can instantiate types outside the configured allowlist by wrapping them in an array, because array elements without per-element type identifiers are constructed directly with no further validator check.

Remediation

Upgrade com.fasterxml.jackson.core:jackson-databind to version 2.18.8, 2.21.4 or higher.

References

Incomplete List of Disallowed Inputs vulnerability report

high severity

Allocation of Resources Without Limits or Throttling

  • Vulnerable module: io.undertow:undertow-core
  • Introduced through: io.descoped.dc:data-collector-server-base@2.0.2

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.undertow:undertow-core@2.3.17.Final

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling when parsing multipart uploads, which apply the UndertowOptions.MULTIPART_MAX_ENTITY_SIZE option. An attacker can exhaust system memory by submitting large amounts of form data encoded with application/x-www-form-urlencoded.

Remediation

Upgrade io.undertow:undertow-core to version 2.2.39.Final, 2.3.21.Final, 2.4.0.Beta1 or higher.

References

Allocation of Resources Without Limits or Throttling vulnerability report

high severity

Allocation of Resources Without Limits or Throttling

  • Vulnerable module: io.undertow:undertow-core
  • Introduced through: io.descoped.dc:data-collector-server-base@2.0.2

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.undertow:undertow-core@2.3.17.Final

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the getParameterNames() function. An attacker can cause an OutOfMemoryError by sending requests with excessively large parameter names.

Remediation

Upgrade io.undertow:undertow-core to version 2.2.39.Final, 2.3.21.Final, 2.4.0.Beta1 or higher.

References

Allocation of Resources Without Limits or Throttling vulnerability report

high severity

Allocation of Resources Without Limits or Throttling (MadeYouReset)

  • Vulnerable module: io.undertow:undertow-core
  • Introduced through: io.descoped.dc:data-collector-server-base@2.0.2

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.undertow:undertow-core@2.3.17.Final

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling (MadeYouReset) through malformed client requests that trigger repeated server-side stream resets without incrementing abuse counters. An attacker can exhaust server resources by sending specially crafted HTTP/2 requests that cause excessive workload through repeated stream aborts.

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its intended and legitimate users.

Unlike other vulnerabilities, DoS attacks usually do not aim at breaching security. Rather, they are focused on making websites and services unavailable to genuine users resulting in downtime.

One popular Denial of Service vulnerability is DDoS (a Distributed Denial of Service), an attack that attempts to clog network pipes to the system by generating a large volume of traffic from many machines.

When it comes to open source libraries, DoS vulnerabilities allow attackers to trigger such a crash or crippling of the service by using a flaw either in the application code or from the use of open source libraries.

Two common types of DoS vulnerabilities:

  • High CPU/Memory Consumption- An attacker sending crafted requests that could cause the system to take a disproportionate amount of time to process. For example, commons-fileupload:commons-fileupload.

  • Crash - An attacker sending crafted requests that could cause the system to crash. For Example, npm ws package

Remediation

Upgrade io.undertow:undertow-core to version 2.2.38.Final, 2.3.20.Final or higher.

References

Allocation of Resources Without Limits or Throttling (MadeYouReset) vulnerability report

high severity

HTTP Request Smuggling

  • Vulnerable module: io.undertow:undertow-core
  • Introduced through: io.descoped.dc:data-collector-server-base@2.0.2

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.undertow:undertow-core@2.3.17.Final

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to HTTP Request Smuggling via the proxy server. An attacker can gain unauthorized access or manipulate web requests by sending specially crafted header block terminators (\r\r\r) to exploit differences in how certain proxy servers interpret HTTP requests.

Remediation

Upgrade io.undertow:undertow-core to version 2.4.0.Final or higher.

References

HTTP Request Smuggling vulnerability report

high severity

HTTP Request Smuggling

  • Vulnerable module: io.undertow:undertow-core
  • Introduced through: io.descoped.dc:data-collector-server-base@2.0.2

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.undertow:undertow-core@2.3.17.Final

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to HTTP Request Smuggling due to incorrect handling of white-spaces in HTTP request headers. An attacker can gain unauthorized access to restricted information or perform unauthorized actions by sending specially crafted HTTP requests with leading spaces in the first header line.

Remediation

Upgrade io.undertow:undertow-core to version 2.4.0.Final or higher.

References

HTTP Request Smuggling vulnerability report

high severity

HTTP Request Smuggling

  • Vulnerable module: io.undertow:undertow-core
  • Introduced through: io.descoped.dc:data-collector-server-base@2.0.2

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.undertow:undertow-core@2.3.17.Final

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to HTTP Request Smuggling via discrepancies in the parsing of HTTP header names. An attacker can bypass security controls and access unauthorized resources by sending specially crafted HTTP requests that are interpreted differently by upstream proxies and the server.

Remediation

Upgrade io.undertow:undertow-core to version 2.4.0.Final or higher.

References

HTTP Request Smuggling vulnerability report

medium severity
new

Improperly Controlled Modification of Dynamically-Determined Object Attributes

  • Vulnerable module: com.fasterxml.jackson.core:jackson-databind
  • Introduced through: com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0, io.descoped.dc:data-collector-api@2.0.4 and others

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.dataformat:jackson-dataformat-yaml@2.18.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.dataformat:jackson-dataformat-yaml@2.18.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0

Overview

com.fasterxml.jackson.core:jackson-databind is a library which contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor.

Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes in the BeanDeserializerBase.createContextual() method, which applies the per-property exclusions through _handleByNameInclusion() and then rebuilds the property map from the unfiltered original, overwriting the filtered map and restoring every property the exclusion had removed. An attacker can set fields that were marked ignored, enabling mass assignment, by supplying those property names in untrusted JSON during deserialization. Exploitation requires case-insensitive property matching to be enabled via @JsonFormat with ACCEPT_CASE_INSENSITIVE_PROPERTIES alongside per-property @JsonIgnoreProperties.

Remediation

A fix was pushed into the master branch but not yet published.

References

Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability report

medium severity
new

Server-side Request Forgery (SSRF)

  • Vulnerable module: com.fasterxml.jackson.core:jackson-databind
  • Introduced through: com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0, io.descoped.dc:data-collector-api@2.0.4 and others

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0
    Remediation: Upgrade to com.fasterxml.jackson.dataformat:jackson-dataformat-xml@2.22.0.
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.dataformat:jackson-dataformat-yaml@2.18.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.core:jackson-databind@2.18.0
  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.descoped.dc:data-collector-api@2.0.4 › com.fasterxml.jackson.dataformat:jackson-dataformat-yaml@2.18.0 › com.fasterxml.jackson.core:jackson-databind@2.18.0

Overview

com.fasterxml.jackson.core:jackson-databind is a library which contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor.

Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) in the JDKFromStringDeserializer class, which constructs InetSocketAddress and resolves the hostname through DNS at deserialization time. An attacker can force the server to issue outbound DNS lookups for chosen hostnames by submitting JSON that is deserialized into a type holding an InetSocketAddress field, with no authentication required. The observable effect is limited to DNS resolution of attacker-chosen names, useful for out-of-band interaction or internal resolver probing rather than a full outbound request, and it applies only where the application deserializes untrusted JSON into types containing such fields.

Remediation

Upgrade com.fasterxml.jackson.core:jackson-databind to version 2.18.8, 2.21.4 or higher.

References

Server-side Request Forgery (SSRF) vulnerability report

medium severity

Improper Validation of Syntactic Correctness of Input

  • Vulnerable module: io.undertow:undertow-core
  • Introduced through: io.descoped.dc:data-collector-server-base@2.0.2

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.undertow:undertow-core@2.3.17.Final

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Improper Validation of Syntactic Correctness of Input of the request's Host header. An attacker can manipulate server behavior, potentially leading to cache poisoning, internal network scanning, or session hijacking by sending crafted HTTP requests with malicious Host headers.

Remediation

Upgrade io.undertow:undertow-core to version 2.2.39.Final, 2.3.21.Final, 2.4.0.Beta1 or higher.

References

Improper Validation of Syntactic Correctness of Input vulnerability report

low severity

Memory Leak

  • Vulnerable module: io.undertow:undertow-core
  • Introduced through: io.descoped.dc:data-collector-server-base@2.0.2

Detailed paths

  • Introduced through: descoped/data-collector-testutils@descoped/data-collector-testutils › io.descoped.dc:data-collector-server-base@2.0.2 › io.undertow:undertow-core@2.3.17.Final

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Memory Leak when the learning-push handler is configured with the default maxAge of -1. An attacker who can send normal HTTP requests may consume excessive memory.

Workaround

This vulnerability can be avoided by setting a value for maxAge that is not -1.

Remediation

Upgrade io.undertow:undertow-core to version 2.2.37.Final, 2.3.18.Final or higher.

References

Memory Leak vulnerability report