CVE-2019-3863

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{"acknowledgement": "Red Hat would like to thank the libssh2 project for reporting this issue. Upstream acknowledges Chris Coulson (Canonical Ltd.) as the original reporter.", "affected_release": [{"advisory": "RHSA-2019:1652", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libssh2-0:1.4.2-3.el6_10.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-07-02T00:00:00Z"}, {"advisory": "RHSA-2019:0679", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "libssh2-0:1.4.3-12.el7_6.2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-03-28T00:00:00Z"}, {"advisory": "RHSA-2019:2399", "cpe": "cpe:/o:redhat:rhel_aus:7.3", "package": "libssh2-0:1.4.3-11.el7_3.1", "product_name": "Red Hat Enterprise Linux 7.3 Advanced Update Support", "release_date": "2019-08-07T00:00:00Z"}, {"advisory": "RHSA-2019:2399", "cpe": "cpe:/o:redhat:rhel_tus:7.3", "package": "libssh2-0:1.4.3-11.el7_3.1", "product_name": "Red Hat Enterprise Linux 7.3 Telco Extended Update Support", "release_date": "2019-08-07T00:00:00Z"}, {"advisory": "RHSA-2019:2399", "cpe": "cpe:/o:redhat:rhel_e4s:7.3", "package": "libssh2-0:1.4.3-11.el7_3.1", "product_name": "Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions", "release_date": "2019-08-07T00:00:00Z"}, {"advisory": "RHSA-2019:1943", "cpe": "cpe:/o:redhat:rhel_eus:7.4", "package": "libssh2-0:1.4.3-11.el7_4.1", "product_name": "Red Hat Enterprise Linux 7.4 Extended Update Support", "release_date": "2019-07-30T00:00:00Z"}, {"advisory": "RHSA-2019:1791", "cpe": "cpe:/o:redhat:rhel_eus:7.5", "package": "libssh2-0:1.4.3-11.el7_5.1", "product_name": "Red Hat Enterprise Linux 7.5 Extended Update Support", "release_date": "2019-07-16T00:00:00Z"}, {"advisory": "RHSA-2019:1175", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt:rhel-8000020190510171727.55190bc5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-05-14T00:00:00Z"}], "bugzilla": {"description": "libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes", "id": "1687313", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1687313"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-190->CWE-787", "details": ["A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error.", "A flaw was found in libssh2. A server could send a multiple keyboard interactive response messages, whose total length are greater than the unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error. The highest threat from this vulnerability is to data confidentiality and integrity and system availability."], "name": "CVE-2019-3863", "package_state": [{"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Affected", "package_name": "virt:8.0.0/libssh2", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Will not fix", "impact": "low", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Will not fix", "impact": "low", "package_name": "rhvm-appliance", "product_name": "Red Hat Virtualization 4"}], "public_date": "2019-03-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-3863\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-3863\nhttps://www.libssh2.org/CVE-2019-3863.html"], "statement": "This flaw was present in libssh2 packages included in Red Hat Virtualization Hypervisor and Management Appliance, however libssh2 in these hosts is never exposed to malicious clients or servers.", "threat_severity": "Important"}

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