Slackware Linux update for proftpd

1) Improper access control

EUVDB-ID: #VU14904

Risk: High

CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2015-3306

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to read and write files to the system.

The vulnerability exists due to improper access restrictions when handling CPFR and SITE CPTO FTP commends. A remote unauthenticated attacker can read and write arbitrary files on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Update the affected package proftpd.

Vulnerable software versions

Slackware Linux: 13.0 - 14.1

External links

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.503863

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. However, a fully functional exploit for this vulnerability is available.