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Debian Security Advisory DSA 4107-1 (django-anymail - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
It was discovered that the webhook validation of Anymail, a Django email backends for multiple ESPs, is prone to a timing attack. A remote attacker can take advantage of this flaw to obtain a WEBHOOK_AUTHORIZATION secret and post arbitrary email tracking events.
Affected Software
Affected Software
django-anymail on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (stretch), this problem has been fixed in version 0.8-2+deb9u1. We recommend that you upgrade your django-anymail packages. For the detailed security status of django-anymail please refer to its security tracker page linked in the references.