fkie_cve-2019-17498
Vulnerability from fkie_nvd
Published
2019-10-21 22:15
Modified
2024-11-21 04:32
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Summary
In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-11/msg00026.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read.html
cve@mitre.orghttps://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/Broken Link
cve@mitre.orghttps://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9ceec685373da12e6fc752d/libssh2/out_of_bounds_read_disconnect_CVE-2019-17498Exploit, Third Party Advisory
cve@mitre.orghttps://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322d64/src/packet.c#L480Exploit, Third Party Advisory
cve@mitre.orghttps://github.com/libssh2/libssh2/commit/dedcbd106f8e52d5586b0205bc7677e4c9868f9cPatch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/11/msg00010.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/12/msg00013.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2023/09/msg00006.html
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22H4Q5XMGS3QNSA7OCL3U7UQZ4NXMR5O/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TY7EEE34RFKCTXTMBQQWWSLXZWSCXNDB/
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20220909-0004/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00026.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read.html
af854a3a-2127-422b-91ae-364da2661108https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/Broken Link
af854a3a-2127-422b-91ae-364da2661108https://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9ceec685373da12e6fc752d/libssh2/out_of_bounds_read_disconnect_CVE-2019-17498Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322d64/src/packet.c#L480Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libssh2/libssh2/commit/dedcbd106f8e52d5586b0205bc7677e4c9868f9cPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/11/msg00010.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/12/msg00013.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/09/msg00006.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22H4Q5XMGS3QNSA7OCL3U7UQZ4NXMR5O/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TY7EEE34RFKCTXTMBQQWWSLXZWSCXNDB/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220909-0004/Third Party Advisory
Impacted products
Vendor Product Version
libssh2 libssh2 *
fedoraproject fedora 30
fedoraproject fedora 31
opensuse leap 15.1
debian debian_linux 8.0
debian debian_linux 9.0
netapp active_iq_unified_manager -
netapp element_software -
netapp hci_management_node -
netapp ontap_select_deploy_administration_utility -
netapp solidfire -
netapp bootstrap_os -
netapp hci_compute_node -


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
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                     criteria: "cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "D0F2D0AA-AFDD-41A2-8172-EEB203227E5D",
                     versionEndIncluding: "1.9.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
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   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server.",
      },
      {
         lang: "es",
         value: "En libssh2 versión v1.9.0 y anteriores, la lógica de la función SSH_MSG_DISCONNECT en el archivo packet.c presenta un desbordamiento de enteros en una comprobación de límites, lo que permite a un atacante especificar un desplazamiento arbitrario (fuera de límites) para una lectura de memoria posterior. Un servidor SSH diseñado puede ser capaz de revelar información confidencial o causar una condición de denegación de servicio en el sistema del cliente cuando un usuario conecta con el servidor.",
      },
   ],
   id: "CVE-2019-17498",
   lastModified: "2024-11-21T04:32:22.850",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
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               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 5.8,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:M/Au:N/C:P/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 8.6,
            impactScore: 4.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: true,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 8.1,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 5.2,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2019-10-21T22:15:10.523",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00026.html",
      },
      {
         source: "cve@mitre.org",
         url: "http://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read.html",
      },
      {
         source: "cve@mitre.org",
         tags: [
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         ],
         url: "https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/",
      },
      {
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      {
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      {
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         url: "http://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read.html",
      },
      {
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      {
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      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
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         url: "https://security.netapp.com/advisory/ntap-20220909-0004/",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-190",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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