Gentoo update for ProFTPD

Published: 2019-08-15 | Updated: 2019-08-25

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2019-12815
CWE-ID	CWE-284
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	Gentoo Linux Operating systems & Components / Operating system
Vendor	Gentoo

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU19318

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-12815

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the application does not honor <Limit READ> and <Limit WRITE> configurations for SITE CPFR and SITE CPTO commands in the mod_copy module. A remote authenticated user with read permissions (e.g. user anonymous) can read contents of an arbitrary file on the server.

Mitigation

Update the affected packages.
net-ftp/proftpd to version: 1.3.6-r5

Vulnerable software versions

Gentoo Linux: All versions

External links

http://security.gentoo.org/
http://security.gentoo.org/glsa/201908-16

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.