Object injection attack in PHPMailer - CVE-2018-19296
Published: December 7, 2018 / Updated: December 7, 2018
Vulnerability identifier: #VU16334
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-19296
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: phpmailer.sourceforge.net
Affected software:
PHPMailer
PHPMailer
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to object injection attack. A remote unauthenticated attacker can send a specially crafted request, conduct object injection attack and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2018-19296
The vulnerability has been fixed in the versions 5.2.27, 6.0.6.