#VU25462 Path traversal in SyncServer - CVE-2020-9031

Vulnerability identifier: #VU25462

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-9031

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SyncServer
Server applications / Other server solutions

Vendor: Microsemi

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied passed the FileName parameter to the syslog.php. A remote attacker can send a specially crafted HTTP request containing directory traversal sequences and read contents of arbitrary files on the system.

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

Vulnerable software versions

SyncServer: S100 - 2.90.70.3 - S350 - 2.80.1

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External links
https://sku11army.blogspot.com/2020/01/symmetricom-syncserver.html

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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.