CVE-2019-14378

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libslirp_project:libslirp:4.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "E90373CB-B4F2-4811-AFF1-0EAF7D2DDB2E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a case involving the first fragment."}, {"lang": "es", "value": "La funci\u00f3n ip_reass en el archivo ip_input.c en libslirp versi\u00f3n 4.0.0, presenta un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria por medio de un paquete largo debido a que maneja inapropiadamente un caso que involucra el primer fragmento."}], "id": "CVE-2019-14378", "lastModified": "2026-06-17T02:18:18.597", "metrics": {"cvssMetricV2": 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"af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2019:3742"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2019:3787"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2019:3968"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2019:4344"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2020:0366"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2020:0775"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://blog.bi0s.in/2019/08/24/Pwn/VM-Escape/2019-07-29-qemu-vm-escape-cve-2019-14378/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/126c04acbabd7ad32c2b018fe10dfac2a3bc1210"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPLHB2AN663OXAWUQURF7J2X5LHD4VD3/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://news.ycombinator.com/item?id=20799010"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://seclists.org/bugtraq/2019/Aug/41"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://seclists.org/bugtraq/2019/Sep/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.f5.com/csp/article/K25423748"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.f5.com/csp/article/K25423748?utm_source=f5support&amp%3Butm_medium=RSS"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4191-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4191-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2019/dsa-4506"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2019/dsa-4512"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-755"}, {"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Vishnu Dev for reporting this issue.", "affected_release": [{"advisory": "RHBA-2019:3723", "cpe": "cpe:/a:redhat:advanced_virtualization:8.1::el8", "package": "virt:8.1-8010020190927171011.cdc1202b", "product_name": "Advanced Virtualization for RHEL 8.1.0", "release_date": "2019-11-06T00:00:00Z"}, {"advisory": "RHBA-2019:3723", "cpe": "cpe:/a:redhat:advanced_virtualization:8.1::el8", "package": "virt-devel:8.1-8010020190927171011.cdc1202b", "product_name": "Advanced Virtualization for RHEL 8.1.0", "release_date": "2019-11-06T00:00:00Z"}, {"advisory": "RHSA-2020:0775", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "qemu-kvm-2:0.12.1.2-2.506.el6_10.6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2020-03-10T00:00:00Z"}, {"advisory": "RHSA-2019:3968", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-ma-10:2.12.0-33.el7_7.1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-11-26T00:00:00Z"}, {"advisory": "RHSA-2020:0366", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-10:1.5.3-167.el7_7.4", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-02-04T00:00:00Z"}, {"advisory": "RHSA-2020:2065", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "qemu-kvm-ma-10:2.12.0-18.el7_6.6", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-05-11T00:00:00Z"}, {"advisory": "RHSA-2020:2126", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "qemu-kvm-10:1.5.3-160.el7_6.6", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-05-13T00:00:00Z"}, {"advisory": "RHSA-2020:0889", "cpe": "cpe:/a:redhat:rhel_extras_other:7", "package": "slirp4netns-0:0.3.0-8.el7_7", "product_name": "Red Hat Enterprise Linux 7 Extras", "release_date": "2020-03-17T00:00:00Z"}, {"advisory": "RHBA-2019:2715", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt-devel:rhel-8000020190828150510.f8e95b4e", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-09-12T00:00:00Z"}, {"advisory": "RHBA-2019:2715", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt:rhel-8000020190828150510.f8e95b4e", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-09-12T00:00:00Z"}, {"advisory": "RHSA-2019:3403", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "container-tools:rhel8-8010020190927090915.4985cc55", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-11-05T00:00:00Z"}, {"advisory": "RHSA-2019:3494", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "container-tools:1.0-8010020190927091243.4985cc55", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-11-05T00:00:00Z"}, {"advisory": "RHSA-2019:4344", "cpe": "cpe:/a:redhat:openstack:10::el7", "impact": "low", "package": "qemu-kvm-rhev-10:2.12.0-33.el7_7.4", "product_name": "Red Hat OpenStack Platform 10.0 (Newton)", "release_date": "2019-12-19T00:00:00Z"}, {"advisory": "RHSA-2019:3787", "cpe": "cpe:/a:redhat:openstack:13::el7", "impact": "low", "package": "qemu-kvm-rhev-10:2.12.0-33.el7_7.4", "product_name": "Red Hat OpenStack Platform 13.0 (Queens)", "release_date": "2019-11-07T00:00:00Z"}, {"advisory": "RHSA-2019:3742", "cpe": "cpe:/a:redhat:openstack:14::el7", "impact": "low", "package": "qemu-kvm-rhev-10:2.12.0-33.el7_7.4", "product_name": "Red Hat OpenStack Platform 14.0 (Rocky)", "release_date": "2019-11-06T00:00:00Z"}, {"advisory": "RHSA-2019:3179", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.12.0-33.el7_7.4", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2019-10-23T00:00:00Z"}, {"advisory": "RHSA-2020:1216", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.12.0-44.el7", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2020-03-31T00:00:00Z"}, {"advisory": "RHSA-2020:2342", "cpe": "cpe:/a:redhat:rhev_manager:4.2", "package": "qemu-kvm-rhev-10:2.12.0-18.el7_6.11", "product_name": "Red Hat Virtualization Engine 4.2", "release_date": "2020-06-01T00:00:00Z"}, {"advisory": "RHSA-2019:3179", "cpe": "cpe:/a:redhat:rhev_manager:4.3", "package": "qemu-kvm-rhev-10:2.12.0-33.el7_7.4", "product_name": "Red Hat Virtualization Engine 4.3", "release_date": "2019-10-23T00:00:00Z"}, {"advisory": "RHSA-2020:1216", "cpe": "cpe:/a:redhat:rhev_manager:4.3", "package": "qemu-kvm-rhev-10:2.12.0-44.el7", "product_name": "Red Hat Virtualization Engine 4.3", "release_date": "2020-03-31T00:00:00Z"}], "bugzilla": {"description": "QEMU: slirp: heap buffer overflow during packet reassembly", "id": "1734745", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1734745"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H", "status": "verified"}, "cwe": "CWE-122", "details": ["ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a case involving the first fragment.", "A heap buffer overflow issue was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the ip_reass() routine while reassembling incoming packets if the first fragment is bigger than the m->m_dat[] buffer. An attacker could use this flaw to crash the QEMU process on the host, resulting in a Denial of Service or potentially executing arbitrary code with privileges of the QEMU process."], "mitigation": {"lang": "en:us", "value": "There is no external mitigation to prevent this out-of-bounds heap memory access."}, "name": "CVE-2019-14378", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "slirp4netns", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openstack:9", "fix_state": "Will not fix", "impact": "low", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 9 (Mitaka)"}], "public_date": "2019-07-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-14378\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-14378"], "statement": "Red Hat OpenStack Platform: \n* This flaw impacts KVM user-mode or SLIRP networking, which is not used in Red Hat OpenStack Platform. Although updating is recommended for affected versions (see below), Red Hat OpenStack Platform environments are not vulnerable.\n* Because the flaw's impact is Low, it will not be fixed in Red Hat OpenStack Platform 9 which is retiring within a few weeks of the flaw's public date.", "threat_severity": "Important"}

{}