Input validation error in Debian Linux

1) Input validation error

EUVDB-ID: #VU40577

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-8476

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Multiple CRLF injection vulnerabilities in PHPMailer before 5.2.14 allow attackers to inject arbitrary SMTP commands via CRLF sequences in an (1) email address to the validateAddress function in class.phpmailer.php or (2) SMTP command to the sendCommand function in class.smtp.php, a different vulnerability than CVE-2012-0796.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Debian Linux: 6.0 - 8.0

CPE2.3

• cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

External links

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177130.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177139.html
http://www.debian.org/security/2015/dsa-3416
http://www.openwall.com/lists/oss-security/2015/12/04/5
http://www.openwall.com/lists/oss-security/2015/12/05/1
http://www.securityfocus.com/bid/78619
http://github.com/PHPMailer/PHPMailer/commit/6687a96a18b8f12148881e4ddde795ae477284b0
http://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.14

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.