SB2017080825 - Multiple vulnerabilities in Liferay Portal

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Main Vulnerability Database SB2017080825

SB2017080825 - Multiple vulnerabilities in Liferay Portal

Published: August 8, 2017

Security Bulletin ID SB2017080825
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 25% Low 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Denial of service (CVE-ID: N/A)

CWE-ID: CWE-400 - Resource exhaustion

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


The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to errors in AggregateFilter, MinifierFilter and DynamicCSSFilter components. A remote attacker can use a specially crafted URL to consume all available disk space on the system and cause denial of service (DoS) conditions.

 


2) Improper input validation (CVE-ID: N/A)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to insufficient input sanitization when creating or editing Wiki pages. A remote authenticated attacker with permissions to create or edit a Wiki page can cause a denial of service (DoS) in the portal via crafted form parameters.


3) Cross-site scripting (CVE-ID: N/A)

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:Clear


The vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability exists due to insufficient input sanitization in various web application components. A remote attacker can trick the victim into visiting a specially crafted link and execute arbitrary HTML and script code in victim’s browser in security context of the affected website.


4) Information disclosure (CVE-ID: N/A)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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


The vulnerability allows a remote attacker to obtain potentially sensitive data.

The vulnerability exists due to excessive data output. A remote attacker can use a specially crafted URL to obtain path to all OSGi bundles.


Remediation

Install update from vendor's website.

References