1. Ubuntu Security Notices
  2. USN-4505-1

USN-4505-1: PHPMailer vulnerability

Publication date

16 September 2020

Overview

Attachments with specially crafted filenames could bypass filename-based mail attachment filters.

Releases

Packages

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)

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

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic libphp-phpmailer –  5.2.14+dfsg-2.3+deb9u2build0.18.04.1

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References

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