CVE-2017-2582
MEDIUM severity · CVSS 6.5 · CWE-201
6.5CVSS MEDIUM
Summary
It was found that while parsing the SAML messages the StaxParserUtil class of keycloak before 2.5.1 replaces special strings for obtaining attribute values with system property. This could allow an attacker to determine values of system properties at the attacked system by formatting the SAML request ID field to be the chosen system property which could be obtained in the "InResponseTo" field in the response.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)2%
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://access.redhat.com/errata/RHSA-2017:2808Advisory
- https://access.redhat.com/errata/RHSA-2017:2809Advisory
- https://access.redhat.com/errata/RHSA-2017:2810Advisory
- https://access.redhat.com/errata/RHSA-2017:2811Advisory
- https://access.redhat.com/errata/RHSA-2017:3216Advisory
- https://access.redhat.com/errata/RHSA-2017:3217Advisory
- http://www.securityfocus.com/bid/101046Advisory
- http://www.securitytracker.com/id/1041707Advisory