[USN-4505-1] PHPMailer vulnerability
avital.ostromich at canonical.com
Wed Sep 16 16:18:41 UTC 2020
Ubuntu Security Notice USN-4505-1
September 16, 2020
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Attachments with specially crafted filenames could bypass filename-based
mail attachment filters.
- libphp-phpmailer: full featured email transfer class for PHP
Elar Lang discovered that PHPMailer did not properly escape double quote
characters in filenames. A remote attacker could possibly exploit this
with a crafted filename to bypass attachment filters that are based on
matching filename extensions. (CVE-2020-13625)
The problem can be corrected by updating your system to the following
Ubuntu 18.04 LTS:
In general, a standard system update will make all the necessary changes.
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