RESTEasy XML information disclosure

resteasy-xml-info-disclosure (72808) The risk level is classified as LowLow Risk

Description:

RESTEasy could allow a remote attacker to obtain sensitive information, caused by an error when processing XML data. By sending specially-crafted XML data, a remote attacker could exploit this vulnerability to obtain contents of local files and other sensitive information.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: None
  Availability Impact: None
 
Temporal Score: 3.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of RESTEasy (2.3.1 or later), available from the RESTEasy Web site. See References.

References:

  • RESTEasy Web site: RESTEasy.
  • RESTEASY-637: RestEasy and XXE injection - Services that accept XML are vulnerable to XXE attacks.
  • RESTEASY-647: RestEasy and XXE injection - Services that accept XML are vulnerable to XXE attacks, Part II.
  • BID-51748: RESTEasy XML Entity References Information Disclosure Vulnerability
  • BID-51766: RESTEasy JaxB XML Entity References Information Disclosure Vulnerability
  • CVE-2011-5245: The readFrom function in providers.jaxb.JAXBXmlTypeProvider in RESTEasy before 2.3.2 allows remote attackers to read arbitrary files via an external entity reference in a Java Architecture for XML Binding (JAXB) input, aka an XML external entity (XXE) injection attack, a similar vulnerability to CVE-2012-0818.
  • CVE-2012-0818: RESTEasy before 2.3.1 allows remote attackers to read arbitrary files via an external entity reference in a DOM document, aka an XML external entity (XXE) injection attack.
  • OSVDB ID: 78679: RESTEasy XML Entity Reference Parsing Remote Information Disclosure
  • OSVDB ID: 78680: RESTEasy JAXB XML Entity Reference Parsing Remote Information Disclosure
  • RHSA-2012-0421: Moderate: rhevm security and bug fix update
  • RHSA-2012-1059: Moderate: resteasy security update
  • SA47818: RESTEasy XML Entity References Information Disclosure Vulnerability
  • SA47832: RESTEasy JAXB XML Entity References Information Disclosure Vulnerability

Platforms Affected:

  • JBoss Enterprise Application Platform 5
  • RedHat RHEL Application Stack 2
  • RESTEasy RESTEasy 2.3

Reported:

Jan 11, 2012

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