CVE-2019-25009: Http Double Free Vulnerability

CRITICAL
Advisory Identifier: GHSA-6rhx-hqxm-8p36
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CVSS 9.8
CWE-415
Published
Advisory Summary

CVE-2019-25009 is a CRITICAL (CVSS 9.8) double free vulnerability (CWE-415: Double Free) affecting Http libraries in the crates.io ecosystem. The issue involves double free in http. Remediation is available by upgrading affected packages to version 0.1.20.

CVE-2019-25009 at a Glance

CVE Identifier CVE-2019-25009
GHSA Identifier GHSA-6rhx-hqxm-8p36
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-415: Double Free
Affected Product Http
Package Ecosystem crates.io
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

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 High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2019-25009

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

http fixed: 0.1.20 
Upgrade http to 0.1.20
Verify Direct and Transitive Dependencies

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

inspect dependencies for http

How to Check if You Are Affected

To determine whether your application is affected by CVE-2019-25009, inspect your project dependencies for Http:

inspect dependencies for http

Analyze the terminal output to locate any version of Http in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.1.20), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-415: Double Free, where the product calls free() twice on the same memory address. In Http, 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

An issue was discovered in the http crate before 0.1.20 for Rust. The HeaderMap::Drain API can use a raw pointer, defeating soundness.

CVE-2019-25009 Affected Http Versions

1 component(s)
Fixed Versions:
0.1.20
Product / Package Ecosystem Affected Versions Fixed Version
http
 crates.io
< 0.1.20
0.1.20

References

NVD — CVE-2019-25009 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-25009
rustsec.org/advisories/rustsec-... WEB
https://rustsec.org/advisories/RUSTSEC-2019-0034.html

Frequently Asked Questions

What is CVE-2019-25009?
CVE-2019-25009 is a security vulnerability in Http involving Double free in http under CWE-415: Double Free.
Which Http versions are affected?
Affected versions include releases prior to 0.1.20 across affected packages: http.
What version fixes CVE-2019-25009?
Upgrading to 0.1.20 (or the latest patched release for your respective branch) resolves the vulnerability.
Is http affected?
Yes, http is affected in releases prior to 0.1.20. Upgrade your dependency to 0.1.20 or later.
What is the CVSS score of CVE-2019-25009?
CVE-2019-25009 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2019-25009?
CVE-2019-25009 is classified under CWE-415: Double Free (The product calls free() twice on the same memory address.).
How can I check crates.io dependencies for CVE-2019-25009?
Run the dependency tree command: 'inspect dependencies for http'. 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-6rhx-hqxm-8p36",
  "modified" : "2021-08-19T21:19:45Z",
  "published" : "2021-08-25T20:46:44Z",
  "aliases" : [ "CVE-2019-25009" ],
  "summary" : "Double free in http",
  "details" : "An issue was discovered in the http crate before 0.1.20 for Rust. The HeaderMap::Drain API can use a raw pointer, defeating soundness.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "http"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.1.20"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-25009"
  }, {
    "type" : "WEB",
    "url" : "https://rustsec.org/advisories/RUSTSEC-2019-0034.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-415" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-08-19T21:19:45Z",
    "nvd_published_at" : null
  }
}