Vulnerability identifier: #VU13840

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Liferay Enterprise Portal
Web applications / CMS

Vendor: Liferay

Description
The vulnerability allows a remote attacker to execute shell commands on the target system.

The weakness exists due to OS command injection in SendmailHook when processing of the user’s input data. A remote attacker can inject and execute arbitrary shell commands with root privileges.

Mitigation
Update to version 7.1 or later.

Vulnerable software versions

Liferay Enterprise Portal: 7.0 CE GA7

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External links
http://dev.liferay.com/web/community-security-team/known-vulnerabilities/-/asset_publisher/4AHAYapUm8Xc/content/cst-7059-theoretical-os-commaind-injection-in-sendmailhook?inheritRedirect=false&redirect=https%3A%2F%2Fdev.liferay.com%2Fweb%2Fcommunity-security-team%2Fknown-vulnerabilities%3Fp_p_id%3D101_INSTANCE_4AHAYapUm8Xc%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview%26p_p_col_id%3Dcolumn-1%26p_p_col_pos%3D1%26p_p_col_count%3D4

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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.