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CVE-2018-6596: Django-Anymail prone to a timing attack

July 12, 2018 (updated September 16, 2024)

webhooks/base.py in Anymail (aka django-anymail) before 1.2.1 is prone to a timing attack vulnerability on the WEBHOOK_AUTHORIZATION secret, which allows remote attackers to post arbitrary e-mail tracking events.

References

  • bugs.debian.org/889450
  • github.com/advisories/GHSA-hxf9-7h4c-f5jv
  • github.com/anymail/django-anymail
  • github.com/anymail/django-anymail/commit/c07998304b4a31df4c61deddcb03d3607a04691b
  • github.com/anymail/django-anymail/commit/db586ede1fbb41dce21310ea28ae15a1cf1286c5
  • github.com/anymail/django-anymail/releases/tag/v1.2.1
  • github.com/anymail/django-anymail/releases/tag/v1.3
  • github.com/pypa/advisory-database/tree/main/vulns/django-anymail/PYSEC-2018-7.yaml
  • nvd.nist.gov/vuln/detail/CVE-2018-6596
  • www.debian.org/security/2018/dsa-4107

Code Behaviors & Features

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Affected versions

All versions before 1.2.1

Fixed versions

  • 1.2.1

Solution

Upgrade to version 1.2.1 or above.

Impact 9.1 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Source file

pypi/django-anymail/CVE-2018-6596.yml

Spotted a mistake? Edit the file on GitLab.

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