Path traversal in SolarWinds TFTP Server

1) Path traversal

EUVDB-ID: #VU40986

Risk: Medium

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2011-4722

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the TFTP Server 1.0.0.24 in Ipswitch WhatsUp Gold. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to read arbitrary files via a . (dot dot) in the Filename field of an RRQ operation.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

TFTP Server: 1.0.0.24

CPE2.3

• cpe:2.3:a:solarwinds:tftp_server:1.0.0.24:*:*:*:*:*:*:*

External links

https://secpod.org/blog/?p=424
https://secunia.com/advisories/47025
https://securitytracker.com/id?1026368
https://www.exploit-db.com/exploits/18189/
https://www.osvdb.org/77455
https://exchange.xforce.ibmcloud.com/vulnerabilities/71610
https://h20565.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c05054714

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.