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    CVE-2017-2582

    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.

    Published:Sep 26, 2017
    Last Modified:Nov 21, 2024
    EPS:Jul 26, 2018
    EPSS Score:0.00663
    CVSS Score:6.5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Jboss Enterprise Application Platform
    Vendor
    Redhat
    Product
    Keycloak

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-116 Excavation
    CAPEC-12 Choosing Message Identifier
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-169 Footprinting
    CAPEC-217 Exploiting Incorrectly Configured SSL/TLS
    CAPEC-22 Exploiting Trust in Client
    CAPEC-224 Fingerprinting
    CAPEC-285 ICMP Echo Request Ping
    CAPEC-287 TCP SYN Scan
    CAPEC-290 Enumerate Mail Exchange (MX) Records
    CAPEC-291 DNS Zone Transfers
    CAPEC-292 Host Discovery
    CAPEC-293 Traceroute Route Enumeration
    CAPEC-294 ICMP Address Mask Request
    CAPEC-295 Timestamp Request
    CAPEC-296 ICMP Information Request
    CAPEC-297 TCP ACK Ping
    CAPEC-298 UDP Ping
    CAPEC-299 TCP SYN Ping
    CAPEC-300 Port Scanning
    CAPEC-301 TCP Connect Scan
    CAPEC-302 TCP FIN Scan
    CAPEC-303 TCP Xmas Scan
    CAPEC-304 TCP Null Scan
    CAPEC-305 TCP ACK Scan
    CAPEC-306 TCP Window Scan
    CAPEC-307 TCP RPC Scan
    CAPEC-308 UDP Scan
    CAPEC-309 Network Topology Mapping
    CAPEC-310 Scanning for Vulnerable Software
    CAPEC-312 Active OS Fingerprinting
    CAPEC-313 Passive OS Fingerprinting
    CAPEC-317 IP ID Sequencing Probe
    CAPEC-318 IP 'ID' Echoed Byte-Order Probe
    CAPEC-319 IP (DF) 'Don't Fragment Bit' Echoing Probe
    CAPEC-320 TCP Timestamp Probe
    CAPEC-321 TCP Sequence Number Probe
    CAPEC-322 TCP (ISN) Greatest Common Divisor Probe
    CAPEC-323 TCP (ISN) Counter Rate Probe
    CAPEC-324 TCP (ISN) Sequence Predictability Probe
    CAPEC-325 TCP Congestion Control Flag (ECN) Probe
    CAPEC-326 TCP Initial Window Size Probe
    CAPEC-327 TCP Options Probe
    CAPEC-328 TCP 'RST' Flag Checksum Probe
    CAPEC-329 ICMP Error Message Quoting Probe
    CAPEC-330 ICMP Error Message Echoing Integrity Probe
    CAPEC-472 Browser Fingerprinting
    CAPEC-497 File Discovery
    CAPEC-508 Shoulder Surfing
    CAPEC-573 Process Footprinting
    CAPEC-574 Services Footprinting
    CAPEC-575 Account Footprinting
    CAPEC-576 Group Permission Footprinting
    CAPEC-577 Owner Footprinting
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-612 WiFi MAC Address Tracking
    CAPEC-613 WiFi SSID Tracking
    CAPEC-616 Establish Rogue Location
    CAPEC-618 Cellular Broadcast Message Request
    CAPEC-619 Signal Strength Tracking
    CAPEC-621 Analysis of Packet Timing and Sizes
    CAPEC-622 Electromagnetic Side-Channel Attack
    CAPEC-623 Compromising Emanations Attack
    CAPEC-643 Identify Shared Files/Directories on System
    CAPEC-646 Peripheral Footprinting
    CAPEC-651 Eavesdropping
    CAPEC-79 Using Slashes in Alternate Encoding

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    References

    http://www.securityfocus.com/bid/101046
    http://www.securitytracker.com/id/1041707
    https://access.redhat.com/errata/RHSA-2017:2808
    https://access.redhat.com/errata/RHSA-2017:2809
    https://access.redhat.com/errata/RHSA-2017:2810
    https://access.redhat.com/errata/RHSA-2017:2811
    https://access.redhat.com/errata/RHSA-2017:3216
    https://access.redhat.com/errata/RHSA-2017:3217
    https://access.redhat.com/errata/RHSA-2017:3218
    https://access.redhat.com/errata/RHSA-2017:3219
    https://access.redhat.com/errata/RHSA-2017:3220
    https://access.redhat.com/errata/RHSA-2018:2740
    https://access.redhat.com/errata/RHSA-2018:2741
    https://access.redhat.com/errata/RHSA-2018:2742
    https://access.redhat.com/errata/RHSA-2018:2743
    https://access.redhat.com/errata/RHSA-2019:0136
    https://access.redhat.com/errata/RHSA-2019:0137
    https://access.redhat.com/errata/RHSA-2019:0139
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2582
    https://github.com/keycloak/keycloak/pull/3715/commits/0cb5ba0f6e83162d221681f47b470c3042eef237
    http://www.securityfocus.com/bid/101046
    http://www.securitytracker.com/id/1041707
    https://access.redhat.com/errata/RHSA-2017:2808
    https://access.redhat.com/errata/RHSA-2017:2809
    https://access.redhat.com/errata/RHSA-2017:2810
    https://access.redhat.com/errata/RHSA-2017:2811
    https://access.redhat.com/errata/RHSA-2017:3216
    https://access.redhat.com/errata/RHSA-2017:3217
    https://access.redhat.com/errata/RHSA-2017:3218
    https://access.redhat.com/errata/RHSA-2017:3219
    https://access.redhat.com/errata/RHSA-2017:3220
    https://access.redhat.com/errata/RHSA-2018:2740
    https://access.redhat.com/errata/RHSA-2018:2741
    https://access.redhat.com/errata/RHSA-2018:2742
    https://access.redhat.com/errata/RHSA-2018:2743
    https://access.redhat.com/errata/RHSA-2019:0136
    https://access.redhat.com/errata/RHSA-2019:0137
    https://access.redhat.com/errata/RHSA-2019:0139
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2582
    https://github.com/keycloak/keycloak/pull/3715/commits/0cb5ba0f6e83162d221681f47b470c3042eef237

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High