CVE-2018-6596
Publication date 3 February 2018
Last updated 17 July 2025
Ubuntu priority
Description
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| django-anymail | 18.04 LTS bionic |
Not affected
|
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
9.1 · Critical
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
References
Other references
- https://github.com/anymail/django-anymail/commit/db586ede1fbb41dce21310ea28ae15a1cf1286c5 (v1.3)
- https://github.com/anymail/django-anymail/commit/c07998304b4a31df4c61deddcb03d3607a04691b (v1.2.x-branch)
- https://bugs.debian.org/889450
- https://github.com/anymail/django-anymail/commit/c07998304b4a31df4c61deddcb03d3607a04691b
- https://github.com/anymail/django-anymail/commit/db586ede1fbb41dce21310ea28ae15a1cf1286c5
- https://github.com/anymail/django-anymail/releases/tag/v1.2.1
- https://github.com/anymail/django-anymail/releases/tag/v1.3
- https://www.cve.org/CVERecord?id=CVE-2018-6596