swagger-api / swagger-api/swagger-codegen

CVE-2018-14720 (High) detected in jackson-databind-2.4.5.jar, jackson-databind-2.6.4.jar

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Description

CVE-2018-14720 - High Severity Vulnerability

Vulnerable Libraries - jackson-databind-2.4.5.jar, jackson-databind-2.6.4.jar

jackson-databind-2.4.5.jar

General data-binding functionality for Jackson: works on core streaming API

Library home page: http://github.com/FasterXML/jackson

Path to dependency file: /samples/client/petstore/scala/build.gradle

Path to vulnerable library: /home/wss-scanner/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-databind/2.4.5/c69c0cb613128c69d84a6a0304ddb9fce82e8242/jackson-databind-2.4.5.jar,/home/wss-scanner/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-databind/2.4.5/c69c0cb613128c69d84a6a0304ddb9fce82e8242/jackson-databind-2.4.5.jar

Dependency Hierarchy:

  • swagger-core-1.5.8.jar (Root Library)
    • jackson-databind-2.4.5.jar (Vulnerable Library)
jackson-databind-2.6.4.jar

General data-binding functionality for Jackson: works on core streaming API

Library home page: http://github.com/FasterXML/jackson

Path to dependency file: /samples/client/petstore/java/jersey1/build.gradle

Path to vulnerable library: /home/wss-scanner/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-databind/2.6.4/f2abadd10891512268b16a1a1a6f81890f3e2976/jackson-databind-2.6.4.jar,/aches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-databind/2.6.4/f2abadd10891512268b16a1a1a6f81890f3e2976/jackson-databind-2.6.4.jar

Dependency Hierarchy:

  • jackson-databind-2.6.4.jar (Vulnerable Library)

Found in HEAD commit: 4b7a8d7d7384aa6a27d6309c35ade0916edae7ed

Found in base branch: master

Vulnerability Details

FasterXML jackson-databind 2.x before 2.9.7 might allow attackers to conduct external XML entity (XXE) attacks by leveraging failure to block unspecified JDK classes from polymorphic deserialization.

Publish Date: 2019-01-02

URL: CVE-2018-14720

CVSS 3 Score Details (9.8)

Base Score Metrics:

  • Exploitability Metrics:
    • Attack Vector: Network
    • Attack Complexity: Low
    • Privileges Required: None
    • User Interaction: None
    • Scope: Unchanged
  • Impact Metrics:
    • Confidentiality Impact: High
    • Integrity Impact: High
    • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://nvd.nist.gov/vuln/detail/CVE-2018-14720

Release Date: 2019-01-02

Fix Resolution (com.fasterxml.jackson.core:jackson-databind): 2.6.7.3

Direct dependency fix Resolution (io.swagger:swagger-core): 1.5.11


  • Check this box to open an automated fix PR

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with samples/client/petstore/scala/build.gradle and samples/client/petstore/java/jersey1/build.gradle, then inspect their Jackson and Swagger dependency entries against the reported dependency hierarchy. Update the vulnerable dependency using the stated fix resolution and verify that neither build retains the affected Jackson versions.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, scala
Domain
build-system, security
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
55/100

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