CVE-2018-6596 : webhooks/base.py in Anymail (aka django-anymail) before 1.2.1 is prone to a timi

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.

Published 2018-02-03 21:29:00

Updated 2018-03-02 13:56:39

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2018-6596

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Django-anymail Project » Django-anymail
Versions before (<) 1.2.1
cpe:2.3:a:django-anymail_project:django-anymail:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-6596

EPSS FAQ

0.53%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 65 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-6596

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.4	MEDIUM	AV:N/AC:L/Au:N/C:P/I:P/A:N	10.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
9.1	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	3.9	5.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: None

CWE ids for CVE-2018-6596

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-6596

https://bugs.debian.org/889450

#889450 - django-anymail: CVE-2018-6596: Security issue with timing attack on WEBHOOK_AUTHORIZATION - Debian Bug report logs
Issue Tracking;Patch;Third Party Advisory
https://github.com/anymail/django-anymail/commit/db586ede1fbb41dce21310ea28ae15a1cf1286c5

Security: prevent timing attack on WEBHOOK_AUTHORIZATION secret · anymail/django-anymail@db586ed · GitHub
Patch
https://www.debian.org/security/2018/dsa-4107

Debian -- Security Information -- DSA-4107-1 django-anymail
Third Party Advisory
https://github.com/anymail/django-anymail/commit/c07998304b4a31df4c61deddcb03d3607a04691b

Security: prevent timing attack on WEBHOOK_AUTHORIZATION secret · anymail/django-anymail@c079983 · GitHub
Patch
https://github.com/anymail/django-anymail/releases/tag/v1.2.1

Release v1.2.1 · anymail/django-anymail · GitHub
Release Notes
https://github.com/anymail/django-anymail/releases/tag/v1.3

Release v1.3 · anymail/django-anymail · GitHub
Release Notes

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Vulnerability Details : CVE-2018-6596

Products affected by CVE-2018-6596

Exploit prediction scoring system (EPSS) score for CVE-2018-6596

CVSS scores for CVE-2018-6596

CWE ids for CVE-2018-6596

References for CVE-2018-6596