CVE-2017-14063: Async http client Improper Input Validation Vulnerability

HIGH
Advisory Identifier: GHSA-93jq-624g-4p9p
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CVSS 7.5
CWE-20
Published
Advisory Summary

CVE-2017-14063 is a HIGH (CVSS 7.5) improper input validation vulnerability (CWE-20: Improper Input Validation) affecting Async http client libraries in the Maven ecosystem. The issue involves improper input validation in async-http-client. Remediation is available by upgrading affected packages to version 2.0.35.

CVE-2017-14063 at a Glance

CVE Identifier CVE-2017-14063
GHSA Identifier GHSA-93jq-624g-4p9p
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-20: Improper Input Validation
Affected Product Async http client
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 7.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2017-14063

To remediate this vulnerability, upgrade all affected Async http client dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

org.asynchttpclient:async-http-client fixed: 2.0.35 
<dependency>
    <groupId>org.asynchttpclient</groupId>
    <artifactId>async-http-client</artifactId>
    <version>2.0.35</version>
</dependency>
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree -Dincludes=org.asynchttpclient

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2017-14063, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.asynchttpclient

Analyze the terminal output to locate any version of Async http client in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.0.35), your application is affected.

Note: The mvn dependency:tree -Dincludes=org.asynchttpclient command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Async http client, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Async Http Client (aka async-http-client) before 2.0.35 can be tricked into connecting to a host different from the one extracted by java.net.URI if a '?' character occurs in a fragment identifier. Similar bugs were previously identified in cURL (CVE-2016-8624) and Oracle Java 8 java.net.URL.

CVE-2017-14063 Affected Async http client Versions

1 component(s)
Fixed Versions:
2.0.35
Product / Package Ecosystem Affected Versions Fixed Version
org.asynchttpclient:async-http-client
maven/org.asynchttpclient/async-http-client
Maven
< 2.0.35
2.0.35

References

NVD — CVE-2017-14063 NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14063
Async http client Source Repository REPOSITORY
https://github.com/AsyncHttpClient/async-http-client/issues/1455
lists.apache.org/thread.html/rfe55d8... WEB
https://lists.apache.org/thread.html/rfe55d83e4070bcc9285bbbf6bc39635dbcbba6d14d89aab0f339c83a@%3Ccommits.tez.apache.org%3E
lists.apache.org/thread.html/rfd823a... WEB
https://lists.apache.org/thread.html/rfd823a733b02cffbef5a69953fdcbed2d1d0afad5e1ea4e96ff6bf0a@%3Cissues.tez.apache.org%3E
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https://lists.apache.org/thread.html/r04b15fd898a6b1612153543375daaa8145a0fd1804ec9fa2e0d95c97@%3Cissues.tez.apache.org%3E
GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-93jq-624g-4p9p
Async http client Source Repository REPOSITORY
https://github.com/AsyncHttpClient/async-http-client
access.redhat.com/errata/rhsa-2018:26... WEB
https://access.redhat.com/errata/RHSA-2018:2669
Async http client Security Information SECURITY
http://openwall.com/lists/oss-security/2017/08/31/4

Frequently Asked Questions

What is CVE-2017-14063?
CVE-2017-14063 is a security vulnerability in Async http client involving Improper Input Validation in async-http-client under CWE-20: Improper Input Validation.
Which Async http client versions are affected?
Affected versions include releases prior to 2.0.35 across affected packages: org.asynchttpclient:async-http-client.
What version fixes CVE-2017-14063?
Upgrading to 2.0.35 (or the latest patched release for your respective branch) resolves the vulnerability.
Is async-http-client affected?
Yes, org.asynchttpclient:async-http-client is affected in releases prior to 2.0.35. Upgrade your dependency to 2.0.35 or later.
What is the CVSS score of CVE-2017-14063?
CVE-2017-14063 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2017-14063?
CVE-2017-14063 is classified under CWE-20: Improper Input Validation (The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.).
How can I check Maven dependencies for CVE-2017-14063?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.asynchttpclient'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-93jq-624g-4p9p",
  "modified" : "2022-09-14T19:16:10Z",
  "published" : "2018-10-19T16:50:50Z",
  "aliases" : [ "CVE-2017-14063" ],
  "summary" : "Improper Input Validation in async-http-client",
  "details" : "Async Http Client (aka async-http-client) before 2.0.35 can be tricked into connecting to a host different from the one extracted by java.net.URI if a '?' character occurs in a fragment identifier. Similar bugs were previously identified in cURL (CVE-2016-8624) and Oracle Java 8 java.net.URL.",
  "severity" : [ {
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    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
  } ],
  "affected" : [ {
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    },
    "ranges" : [ {
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  "database_specific" : {
    "cwe_ids" : [ "CWE-20" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T21:27:19Z",
    "nvd_published_at" : null
  }
}