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Debian Security Advisory DSA-4107-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
February 07, 2018                     https://www.debian.org/security/faq
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Package        : django-anymail
CVE ID         : CVE-2018-6596
Debian Bug     : 889450

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.

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 at:
https://security-tracker.debian.org/tracker/django-anymail

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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