Vulnerability identifier: #VU26556

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-4242

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM Spectrum Scale
Client/Desktop applications / File managers, FTP clients
IBM Spectrum Protect Plus
Server applications / Other server solutions

Vendor: IBM Corporation

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists within the Administrative Console Framework service due to the "uploadLdapCertificate" method does not properly validate a user-supplied string before using it to execute a system call when parsing the "filename" parameter. A remote authenticated attacker can send a specially crafted request and execute arbitrary commands on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM Spectrum Scale: All versions

IBM Spectrum Protect Plus: 10.1.0.0 - 10.1.5.0

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External links
http://exchange.xforce.ibmcloud.com/vulnerabilities/175419
http://www.ibm.com/support/pages/node/6114130
http://www.zerodayinitiative.com/advisories/ZDI-20-347/

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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.