{"api_version":"1","generated_at":"2026-04-23T02:57:06+00:00","cve":"CVE-2017-2625","urls":{"html":"https://cve.report/CVE-2017-2625","api":"https://cve.report/api/cve/CVE-2017-2625.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-2625","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-2625"},"summary":{"title":"CVE-2017-2625","description":"It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2018-07-27 18:29:00","updated_at":"2023-02-12 23:29:00"},"problem_types":["CWE-331"],"metrics":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2017:1865","name":"RHSA-2017:1865","refsource":"REDHAT","tags":["Third Party Advisory"],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/security/cve/CVE-2017-2625","name":"https://access.redhat.com/security/cve/CVE-2017-2625","refsource":"MISC","tags":[],"title":"CVE-2017-2625 - Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625","refsource":"CONFIRM","tags":["Issue Tracking","Third Party Advisory"],"title":"1424987 – (CVE-2017-2625) CVE-2017-2625 libXdmcp: weak entropy usage for session keys","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/96480","name":"96480","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"X.org X Server Local Multiple Security Vulnerabilities","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.securitytracker.com/id/1037919","name":"1037919","refsource":"SECTRACK","tags":["Third Party Advisory","VDB Entry"],"title":"X Multiple Flaws Let Local Users Conduct Timing and Key Guessing Attacks Obtain Elevated Privileges - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1424987","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1424987","refsource":"MISC","tags":[],"title":"Bug 1424987 – CVE-2017-2625 libXdmcp: weak entropy usage for session keys","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2019/11/msg00024.html","name":"[debian-lts-announce] 20191125 [SECURITY] [DLA 2006-1] libxdmcp security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 2006-1] libxdmcp security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/","name":"https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"Advisory X41-2017-001: Multiple Vulnerabilities in X.org - X41 D-SEC GmbH","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f","name":"https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"xorg/lib/libXdmcp - X Display Manager Control Protocol routines  (mirrored from https://gitlab.freedesktop.org/xorg/lib/libxdmcp)","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.gentoo.org/glsa/201704-03","name":"GLSA-201704-03","refsource":"GENTOO","tags":["Third Party Advisory"],"title":"X.Org: Multiple vulnerabilities (GLSA 201704-03) — Gentoo Security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-2625","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-2625","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_desktop","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_desktop","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_aus","cpe6":"7.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_aus","cpe6":"7.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_eus","cpe6":"7.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_eus","cpe6":"7.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_eus","cpe6":"7.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server_eus","cpe6":"7.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_workstation","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_workstation","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"x.org","cpe5":"libxdmcp","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"2625","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"x.org","cpe5":"libxdmcp","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2017-2625","qid":"500338","title":"Alpine Linux Security Update for libxdmcp"},{"cve":"CVE-2017-2625","qid":"504102","title":"Alpine Linux Security Update for libxdmcp"},{"cve":"CVE-2017-2625","qid":"710339","title":"Gentoo Linux X.Org Multiple Vulnerabilities (GLSA 201704-03)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2017-2625","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-331","cweId":"CWE-331"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Xorg","product":{"product_data":[{"product_name":"libXdmcp","version":{"version_data":[{"version_affected":"=","version_value":"1.1.2"}]}}]}}]}},"references":{"reference_data":[{"url":"http://www.securityfocus.com/bid/96480","refsource":"MISC","name":"http://www.securityfocus.com/bid/96480"},{"url":"http://www.securitytracker.com/id/1037919","refsource":"MISC","name":"http://www.securitytracker.com/id/1037919"},{"url":"https://access.redhat.com/errata/RHSA-2017:1865","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2017:1865"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625"},{"url":"https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f","refsource":"MISC","name":"https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f"},{"url":"https://lists.debian.org/debian-lts-announce/2019/11/msg00024.html","refsource":"MISC","name":"https://lists.debian.org/debian-lts-announce/2019/11/msg00024.html"},{"url":"https://security.gentoo.org/glsa/201704-03","refsource":"MISC","name":"https://security.gentoo.org/glsa/201704-03"},{"url":"https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/","refsource":"MISC","name":"https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/"}]},"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.0"}]}},"nvd":{"publishedDate":"2018-07-27 18:29:00","lastModifiedDate":"2023-02-12 23:29:00","problem_types":["CWE-331"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:N/A:N","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":2.1},"severity":"LOW","exploitabilityScore":3.9,"impactScore":2.9,"acInsufInfo":true,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:x.org:libxdmcp:*:*:*:*:*:*:*:*","versionEndExcluding":"1.1.2","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"2625","Ordinal":"98764","Title":"CVE-2017-2625","CVE":"CVE-2017-2625","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"2625","Ordinal":"1","NoteData":"It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"2625","Ordinal":"2","NoteData":"2018-07-27","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"2625","Ordinal":"3","NoteData":"2019-11-25","Type":"Other","Title":"Modified"}]}}}