Improper access control in ProFTPd
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2015-3306 |
| CWE-ID | CWE-284 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
ProFTPD Server applications / File servers (FTP/HTTP) |
| Vendor | ProFTPD |
Security Bulletin
This security bulletin contains one high risk vulnerability.
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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsProFTPD: 1.3.5
External linkshttp://lists.fedoraproject.org/pipermail/package-announce/2015-May/157053.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157054.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157581.html
http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html
http://packetstormsecurity.com/files/131505/ProFTPd-1.3.5-File-Copy.html
http://packetstormsecurity.com/files/131555/ProFTPd-1.3.5-Remote-Command-Execution.html
http://packetstormsecurity.com/files/131567/ProFTPd-CPFR-CPTO-Proof-Of-Concept.html
http://packetstormsecurity.com/files/132218/ProFTPD-1.3.5-Mod_Copy-Command-Execution.html
http://www.debian.org/security/2015/dsa-3263
http://www.rapid7.com/db/modules/exploit/unix/ftp/proftpd_modcopy_exec
http://www.securityfocus.com/bid/74238
http://www.exploit-db.com/exploits/36742/
http://www.exploit-db.com/exploits/36803/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
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.
