Portal open to Denial of Service vulnerability and access to guarded resources

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 6.1 EE GA3 (6.1.30), 6.2 EE GA1 (6.2.10)
• Fix Version/s: 6.1.X EE, 6.2.X EE
• Component/s: Core Infrastructure, Security Vulnerability
• Labels:
  • 61-ee-ga3-sp5
  • 62-ee-sp12
  • cumulative-security-update-3
  • liferay-fixpack-portal-45-6130
  • liferay-fixpack-portal-60-6210
  • lsv
  • lsv-153
  • sev-2

Custom portlet plugins running in Liferay portal are partially vulnerable to a flaw discovered in JSR-286 specification - CVE-2015-1926.
An attacker could access plugin's web application resources restricted by web.xml security-constraint declaration or cause Denial Of Service.

See also https://web.liferay.com/group/customer/products/portal/security-vulnerability/lsv-153