Vulnerability identifier: #VU10441

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-6596

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Django Anymail
Client/Desktop applications / Software for system administration

Vendor: Django Software Foundation

Description
The vulnerability allows a remote unauthenticated attacker to obtain potentially sensitive information.

The vulnerability exists due to improper security restrictions. A remote attacker can access sensitive information in the WEBHOOK_AUTHORIZATION shared secret for the affected software, post malicious email tracking events and conduct timing attack.

Mitigation
Update to versions 1.2.1, 1.3.

Vulnerable software versions

Django Anymail: 1.0 - 1.2

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External links
http://github.com/anymail/django-anymail/releases/tag/v1.2.1
http://github.com/anymail/django-anymail/releases/tag/v1.3

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.