swagger-api / swagger-api/swagger-codegen
CVE-2021-20190 (High) detected in jackson-databind-2.4.5.jar, jackson-databind-2.6.4.jar
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Description
CVE-2021-20190 - 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
A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Publish Date: 2021-01-19
URL: CVE-2021-20190
CVSS 3 Score Details (8.1)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Suggested Fix
Type: Upgrade version
Release Date: 2021-01-19
Fix Resolution (com.fasterxml.jackson.core:jackson-databind): 2.6.7.5
Direct dependency fix Resolution (io.swagger:swagger-core): 1.5.11
- Check this box to open an automated fix PR
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- 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 dependency declarations and resolved dependency trees. Update the Jackson or swagger-core versions using the suggested fix and verify that the vulnerable jackson-databind versions are no longer resolved.
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
- 50/100