CVE-2015-3146
Vulnerability from cvelistv5
Published
2016-04-13 17:00
Modified
2024-08-06 05:39
Severity ?
EPSS score ?
Summary
The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet.
References
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-06T05:39:32.028Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "name": "USN-2912-1", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "http://www.ubuntu.com/usn/USN-2912-1" }, { "name": "FEDORA-2015-10962", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt" }, { "name": "FEDORA-2015-7590", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/" }, { "name": "DSA-3488", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "http://www.debian.org/security/2016/dsa-3488" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "datePublic": "2015-04-30T00:00:00", "descriptions": [ { "lang": "en", "value": "The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2016-04-13T16:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "name": "USN-2912-1", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "http://www.ubuntu.com/usn/USN-2912-1" }, { "name": "FEDORA-2015-10962", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt" }, { "name": "FEDORA-2015-7590", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/" }, { "name": "DSA-3488", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "http://www.debian.org/security/2016/dsa-3488" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2015-3146", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "USN-2912-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2912-1" }, { "name": "FEDORA-2015-10962", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html" }, { "name": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt", "refsource": "CONFIRM", "url": "https://www.libssh.org/security/advisories/CVE-2015-3146.txt" }, { "name": "FEDORA-2015-7590", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html" }, { "name": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/", "refsource": "CONFIRM", "url": "https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/" }, { "name": "DSA-3488", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2016/dsa-3488" }, { "name": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f", "refsource": "CONFIRM", "url": "https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f" } ] } } } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2015-3146", "datePublished": "2016-04-13T17:00:00", "dateReserved": "2015-04-10T00:00:00", "dateUpdated": "2024-08-06T05:39:32.028Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2015-3146\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2016-04-13T17:59:03.100\",\"lastModified\":\"2024-11-21T02:28:46.313\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet.\"},{\"lang\":\"es\",\"value\":\"Los manejadores de paquete (1) SSH_MSG_NEWKEYS y (2) SSH_MSG_KEXDH_REPLY en package_cb.c en libssh en versiones anteriores a 0.6.5 no valida correctamente el estado, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (referencia a puntero NULL y ca\u00edda) a trav\u00e9s de un paquete SSH manipulado.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"0.6.4\",\"matchCriteriaId\":\"749CD4EF-4CED-4189-B70A-EFB675E5D8B4\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E88A537F-F4D0-46B9-9E37-965233C2A355\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16F59A04-14CF-49E2-9973-645477EA09DA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"56BDB5A0-0839-4A20-A003-B8CD56F48171\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"253C303A-E577-4488-93E6-68A8DD942C38\"}]}]}],\"references\":[{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.debian.org/security/2016/dsa-3488\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2912-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.libssh.org/security/advisories/CVE-2015-3146.txt\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.debian.org/security/2016/dsa-3488\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2912-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5\u0026id=94f6955fbaee6fda9385a23e505497efe21f5b4f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.libssh.org/security/advisories/CVE-2015-3146.txt\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}],\"evaluatorComment\":\"\u003ca href=\\\"http://cwe.mitre.org/data/definitions/476.html\\\"\u003eCWE-476: NULL Pointer Dereference\u003c/a\u003e\"}}" } }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.