Vulnerability identifier: #VU13839

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Liferay Enterprise Portal
Web applications / CMS

Vendor: Liferay

Description
The vulnerability allows a remote unauthenticated attacker to bypass security restrictions.

The weakness exists due to CSV injection. A remote attacker can trick the victim into opening a specially crafted CSV file with a spreadsheet program (e.g., Microsoft Excel, LibreOffice Calc, Google Sheets) and bypass security restrictions.

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-7058-csv-injection-in-forms-ddl-and-user-export?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.