Mail command execution vulnerability in PHPMailer by the vendor
CVE-2016-10033
Key Information:
- Vendor
PHPmailer Project
- Status
- Vendor
- CVE Published:
- 30 December 2016
Badges
What is CVE-2016-10033?
A vulnerability exists in the mailSend function of the isMail transport in PHPMailer prior to version 5.2.18. This flaw enables remote attackers to inject additional parameters into the mail command, thus potentially executing arbitrary code. The exploitation occurs through a crafted Sender property containing a backslash double quote ('"'). As a result, the security of applications relying on this mail transport may be compromised, allowing for unauthorized operations and code execution.
CISA has reported CVE-2016-10033
CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2016-10033 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace
The CISA's recommendation is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
94% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- 🦅
CISA Reported
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved