Vulnerability identifier: #VU20880

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5475

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Nexus Repository Manager
Server applications / Other server solutions

Vendor: Sonatype Inc.

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the "CommandLineExecutor.java". A remote authenticated administrator can execute arbitrary OS commands on the target system, such as the Yum Configuration Capability.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Nexus Repository Manager: 1.6.0 - 2.14.13

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External links
http://support.sonatype.com/hc/en-us/articles/360033490774-CVE-2019-5475-Nexus-Repository-Manager-2...
http://github.com/sonatype/nexus-public/blob/release-2.14.9-01/plugins/yum/nexus-yum-repository-plu...

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.