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  5. CVE-2017-18361

CVE-2017-18361: Pylons Colander Denial of Service vulnerability

February 7, 2019 (updated September 13, 2024)

In Pylons Colander through 1.6, the URL validator allows an attacker to potentially cause an infinite loop thereby causing a denial of service via an unclosed parenthesis.

References

  • github.com/Pylons/colander
  • github.com/Pylons/colander/commit/98805557c10ab5ff3016ed09aa2d48c49b9df40b
  • github.com/Pylons/colander/issues/290
  • github.com/Pylons/colander/pull/323
  • github.com/advisories/GHSA-rv95-4wxj-6fqq
  • github.com/pypa/advisory-database/tree/main/vulns/colander/PYSEC-2019-167.yaml
  • nvd.nist.gov/vuln/detail/CVE-2017-18361

Code Behaviors & Features

Detect and mitigate CVE-2017-18361 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 1.7.0

Fixed versions

  • 1.7.0

Solution

Upgrade to version 1.7.0 or above.

Impact 7.5 HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Source file

pypi/colander/CVE-2017-18361.yml

Spotted a mistake? Edit the file on GitLab.

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