CVE-2019-11555 (GCVE-0-2019-11555)

Vulnerability from cvelistv5 – Published: 2019-04-26 21:16 – Updated: 2024-08-04 22:55
VLAI?
Summary
The EAP-pwd implementation in hostapd (EAP server) before 2.8 and wpa_supplicant (EAP peer) before 2.8 does not validate fragmentation reassembly state properly for a case where an unexpected fragment could be received. This could result in process termination due to a NULL pointer dereference (denial of service). This affects eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
https://www.openwall.com/lists/oss-security/2019/… x_refsource_MISC
https://w1.fi/security/2019-5/eap-pwd-message-rea… x_refsource_MISC
https://w1.fi/security/2019-5/ x_refsource_MISC
http://www.openwall.com/lists/oss-security/2019/04/26/1 mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3969-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3969-2/ vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://security.FreeBSD.org/advisories/FreeBSD-S… vendor-advisoryx_refsource_FREEBSD
https://seclists.org/bugtraq/2019/May/40 mailing-listx_refsource_BUGTRAQ
https://www.debian.org/security/2019/dsa-4450 vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2019/May/64 mailing-listx_refsource_BUGTRAQ
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/201908-25 vendor-advisoryx_refsource_GENTOO
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      "metrics": "{\"cvssMetricV30\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.9, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:N/A:P\", \"baseScore\": 4.3, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2019-04-26T22:29:00.357",
      "references": "[{\"url\": \"http://www.openwall.com/lists/oss-security/2019/04/26/1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T7G763UECWR7FQXOJVL67PW7C5A3SA4/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJKZHAT5KPUN26JL77EUH563GAH5XZ5C/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IQ6P2GI5GSXRNLNIUNPARFZQVDEIGVZD/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://seclists.org/bugtraq/2019/May/40\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://seclists.org/bugtraq/2019/May/64\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://security.gentoo.org/glsa/201908-25\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://usn.ubuntu.com/3969-1/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://usn.ubuntu.com/3969-2/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://w1.fi/security/2019-5/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://w1.fi/security/2019-5/eap-pwd-message-reassembly-issue-with-unexpected-fragment.txt\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.debian.org/security/2019/dsa-4450\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.openwall.com/lists/oss-security/2019/04/18/6\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2019/04/26/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T7G763UECWR7FQXOJVL67PW7C5A3SA4/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJKZHAT5KPUN26JL77EUH563GAH5XZ5C/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IQ6P2GI5GSXRNLNIUNPARFZQVDEIGVZD/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://seclists.org/bugtraq/2019/May/40\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://seclists.org/bugtraq/2019/May/64\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.gentoo.org/glsa/201908-25\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://usn.ubuntu.com/3969-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://usn.ubuntu.com/3969-2/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://w1.fi/security/2019-5/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://w1.fi/security/2019-5/eap-pwd-message-reassembly-issue-with-unexpected-fragment.txt\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.debian.org/security/2019/dsa-4450\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.openwall.com/lists/oss-security/2019/04/18/6\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-476\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-11555\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2019-04-26T22:29:00.357\",\"lastModified\":\"2024-11-21T04:21:20.397\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The EAP-pwd implementation in hostapd (EAP server) before 2.8 and wpa_supplicant (EAP peer) before 2.8 does not validate fragmentation reassembly state properly for a case where an unexpected fragment could be received. This could result in process termination due to a NULL pointer dereference (denial of service). This affects eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c.\"},{\"lang\":\"es\",\"value\":\"La implementaci\u00f3n de EAP-pwd en hostapd (servidor EAP),versiones anteriores a 2.8, y wpa_supplicant (peer EAP), versiones anteriores a 2.8, no valida correctamente el estado de reensamblado de la fragmentaci\u00f3n para un caso en el que se pudiera recibir un fragmento no esperado. Esto podr\u00eda derivar en la terminaci\u00f3n del proceso debido a una derivaci\u00f3n de un puntero NULL (denegaci\u00f3n de servicio). Esto afecta a eap_server/eap_server_pwd.c y eap_peer/eap_pwd.c.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.8\",\"matchCriteriaId\":\"2C8A8224-43A2-4695-9FFE-DD2FB409C89F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.8\",\"matchCriteriaId\":\"771CFB6E-2EC2-4453-98EC-42BFC280F745\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2019/04/26/1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T7G763UECWR7FQXOJVL67PW7C5A3SA4/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJKZHAT5KPUN26JL77EUH563GAH5XZ5C/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IQ6P2GI5GSXRNLNIUNPARFZQVDEIGVZD/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://seclists.org/bugtraq/2019/May/40\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://seclists.org/bugtraq/2019/May/64\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.gentoo.org/glsa/201908-25\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/3969-1/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/3969-2/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://w1.fi/security/2019-5/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://w1.fi/security/2019-5/eap-pwd-message-reassembly-issue-with-unexpected-fragment.txt\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.debian.org/security/2019/dsa-4450\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.openwall.com/lists/oss-security/2019/04/18/6\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2019/04/26/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T7G763UECWR7FQXOJVL67PW7C5A3SA4/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJKZHAT5KPUN26JL77EUH563GAH5XZ5C/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IQ6P2GI5GSXRNLNIUNPARFZQVDEIGVZD/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://seclists.org/bugtraq/2019/May/40\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://seclists.org/bugtraq/2019/May/64\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.gentoo.org/glsa/201908-25\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3969-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3969-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://w1.fi/security/2019-5/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://w1.fi/security/2019-5/eap-pwd-message-reassembly-issue-with-unexpected-fragment.txt\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.debian.org/security/2019/dsa-4450\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.openwall.com/lists/oss-security/2019/04/18/6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]}]}}"
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.