SB2018020923 - XSS in Sonatype Nexus Repository Manager

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2018-5306)

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error when processing the "repoId" or "format" parameter in "service/siesta/healthcheck/healthCheckFileDetail/../index.html", the filename in the "File Upload" functionality of the Staging Upload, the username when creating a new user or the IQ Server URL field in the IQ Server Connection functionality. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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.

Remediation

Install update from vendor's website.

References

• http://seclists.org/fulldisclosure/2018/Feb/23
• https://support.sonatype.com/hc/en-us/articles/360000134968
• https://www.sec-consult.com/en/blog/advisories/multiple-cross-site-scripting-vulnerabilities-in-sonatype-nexus-repository-manager-oss-pro/index.html