CVE-2018-19801: Aubio Aubio Is Vulnerable To A Vulnerability

HIGH
Advisory Identifier: GHSA-7vvr-h4p5-m7fh
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CVSS 7.5
CWE-476
Published
Advisory Summary

CVE-2018-19801 is a HIGH (CVSS 7.5) aubio is vulnerable to a vulnerability (CWE-476: NULL Pointer Dereference) affecting Aubio libraries in the PyPI ecosystem. The issue involves aubio is vulnerable to a null pointer dereference in new_aubio_filterbank. Remediation is available by upgrading affected packages to version 0.4.9.

CVE-2018-19801 at a Glance

CVE Identifier CVE-2018-19801
GHSA Identifier GHSA-7vvr-h4p5-m7fh
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-476: NULL Pointer Dereference
Affected Product Aubio
Package Ecosystem PyPI
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2018-19801

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

aubio fixed: 0.4.9 
pip install aubio>=0.4.9
Verify Direct and Transitive Dependencies

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

pip show aubio

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2018-19801, inspect your installed packages using pip:

pip show aubio

Analyze the terminal output to locate any version of Aubio in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.4.9), your application is affected.

Note: The pip show aubio command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-476: NULL Pointer Dereference, where the product dereferences a pointer that it expects to be valid but is null. In Aubio, 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

aubio v0.4.0 to v0.4.8 has a NULL pointer dereference in `new_aubio_filterbank` via invalid n_filters.

CVE-2018-19801 Affected Aubio Versions

1 component(s)
Fixed Versions:
0.4.9
Product / Package Ecosystem Affected Versions Fixed Version
aubio
pypi/aubio
PyPI
≥ 0.4.0
< 0.4.9
0.4.9

References

NVD — CVE-2018-19801 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19801
GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-7vvr-h4p5-m7fh
Aubio Source Repository REPOSITORY
https://github.com/aubio/aubio
Aubio Source Repository REPOSITORY
https://github.com/aubio/aubio/blob/0.4.9/ChangeLog
Aubio Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/aubio/PYSEC-2019-163.yaml
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IYIKPYXZIWYWWNNORSKWRCFFCP6AFMRZ
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OHIRMWW4JQ6UHJK4AVBJLFRLE2TPKC2W
Aubio Security Information SECURITY
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00063.html
Aubio Security Information SECURITY
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00067.html

Frequently Asked Questions

What is CVE-2018-19801?
CVE-2018-19801 is a security vulnerability in Aubio involving Aubio is vulnerable to a NULL pointer dereference in new_aubio_filterbank under CWE-476: NULL Pointer Dereference.
Which Aubio versions are affected?
Affected versions include releases prior to 0.4.9 across affected packages: aubio.
What version fixes CVE-2018-19801?
Upgrading to 0.4.9 (or the latest patched release for your respective branch) resolves the vulnerability.
Is aubio affected?
Yes, aubio is affected in releases prior to 0.4.9. Upgrade your dependency to 0.4.9 or later.
What is the CVSS score of CVE-2018-19801?
CVE-2018-19801 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2018-19801?
CVE-2018-19801 is classified under CWE-476: NULL Pointer Dereference (The product dereferences a pointer that it expects to be valid but is NULL.).
How can I check PyPI dependencies for CVE-2018-19801?
Run the dependency tree command: 'pip show aubio'. 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-7vvr-h4p5-m7fh",
  "modified" : "2024-09-13T14:19:43Z",
  "published" : "2019-07-26T16:10:20Z",
  "aliases" : [ "CVE-2018-19801" ],
  "summary" : "Aubio is vulnerable to a NULL pointer dereference in new_aubio_filterbank",
  "details" : "aubio v0.4.0 to v0.4.8 has a NULL pointer dereference in `new_aubio_filterbank` via invalid n_filters.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "aubio"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.4.0"
      }, {
        "fixed" : "0.4.9"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-19801"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-7vvr-h4p5-m7fh"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/aubio/aubio"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/aubio/aubio/blob/0.4.9/ChangeLog"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/aubio/PYSEC-2019-163.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IYIKPYXZIWYWWNNORSKWRCFFCP6AFMRZ"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OHIRMWW4JQ6UHJK4AVBJLFRLE2TPKC2W"
  }, {
    "type" : "WEB",
    "url" : "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00063.html"
  }, {
    "type" : "WEB",
    "url" : "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00067.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-476" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2019-07-25T16:08:17Z",
    "nvd_published_at" : "2019-06-07T17:29:00Z"
  }
}