XSS in Sonatype Nexus Repository Manager

1) Cross-site scripting

EUVDB-ID: #VU19400

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12100

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in multiple areas in the Administration UI. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Nexus Repository Manager: 3.0.0-03 - 3.11.0-01

External links

http://community.sonatype.com/t/repository-manager-3-12-0-released/31
http://issues.sonatype.org/plugins/servlet/mobile#issue/NEXUS-16870
http://issues.sonatype.org/secure/ReleaseNote.jspa?version=17493&projectId=10001
http://support.sonatype.com/hc/en-us/articles/360018565994-CVE-2018-12100-Nexus-Repository-Manager-3-Cross-Site-Scripting-XSS-June-4th-2018

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.