SB2018020923 - XSS in Sonatype Nexus Repository Manager

Description

This security bulletin contains information about 1 vulnerability.

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

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green

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