SB2020060413 - Multiple vulnerabilities in Jenkins ECharts API plugin

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Stored cross-site scripting (CVE-ID: CVE-2020-2193)

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

The vulnerability exists due to the affected plugin does not escape the parser identifier when rendering charts. A remote user with Job/Configure permission can inject 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.

2) Stored cross-site scripting (CVE-ID: CVE-2020-2194)

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

The vulnerability exists due to the affected plugin does not escape the display name of the builds in the trend chart. A remote user with Run/Update permission can inject 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.

Remediation

Install update from vendor's website.

References

• http://www.openwall.com/lists/oss-security/2020/06/03/3
• https://jenkins.io/security/advisory/2020-06-03/#SECURITY-1841
• https://jenkins.io/security/advisory/2020-06-03/#SECURITY-1842