Vulnerability identifier: #VU20297

Vulnerability risk: Low

CVSSv3.1: 3.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C]

CVE-ID: CVE-2019-12181

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Serv-U FTP Server
Server applications / File servers (FTP/HTTP)

Vendor: SolarWinds

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to unspecified error. A remote authenticated attacker can escalate privileges on the system by manipulating the installer arguments.

The vulnerability affects Serv-U releases on Linux systems.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Serv-U FTP Server: 15.1 - 15.1.6 HF2

---

External links
http://packetstormsecurity.com/files/153333/Serv-U-FTP-Server-15.1.6-Privilege-Escalation.html
http://blog.vastart.dev/2019/06/cve-2019-12181-serv-u-exploit-writeup.html
http://documentation.solarwinds.com/en/success_center/servu/Content/Release_Notes/Servu_15-1-7_release_notes.htm
http://support.solarwinds.com/SuccessCenter/s/article/Serv-U-Potential-elevation-of-privileges-on-Linux-systems

---

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, a fully functional exploit for this vulnerability is available.