USN-4505-1: PHPMailer vulnerability
16 September 2020
Attachments with specially crafted filenames could bypass filename-based mail attachment filters.
Releases
Packages
- libphp-phpmailer - full featured email transfer class for PHP
Details
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
In general, a standard system update will make all the necessary changes.