SB2017011603 - Arbitrary file disclosure in PHPMailer
Published: January 16, 2017
Security Bulletin ID
SB2017011603
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2017-5223)
The vulnerability allows a remote attacker to obtain access to potentially sensitive information.The vulnerability exists in PHPMailer before 5.2.22 when handling HTML documents using msgHTML() method. A remote attacker can create a specially crafted message, containing relative links to images withing message and attach arbitrary local file to e-mail message.
Successful exploitation of this vulnerability may allow an attacker to send out arbitrary system files as email attachments.
Remediation
Install update from vendor's website.