csaf_redhat - rhsa-2020

rhsa-2020_2126

Vulnerability from csaf_redhat

Published

2020-05-13 07:55

Modified

2024-11-05 22:13

Summary

Red Hat Security Advisory: qemu-kvm security update

Notes

Topic

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fix(es): * QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Vishnu Dev"
          ]
        }
      ],
      "cve": "CVE-2019-14378",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "discovery_date": "2019-07-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1734745"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "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-\u003em_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.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "QEMU: slirp: heap buffer overflow during packet reassembly",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "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\u0027s impact is Low, it will not be fixed in Red Hat OpenStack Platform 9 which is retiring within a few weeks of the flaw\u0027s public date.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-14378",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-14378"
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-14378",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-14378"
        }
      ],
      "release_date": "2019-07-28T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2020-05-13T07:55:02+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.",
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H",
            "version": "3.0"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "QEMU: slirp: heap buffer overflow during packet reassembly"
    }
  ]
}

cve-2019-14378

Vulnerability from cvelistv5

Published

2019-07-29 10:05

Modified

2024-08-05 00:19

Severity ?

Summary

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.

References

▼	URL	Tags
	https://gitlab.freedesktop.org/slirp/libslirp/commit/126c04acbabd7ad32c2b018fe10dfac2a3bc1210	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2019/08/01/2	mailing-list, x_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPLHB2AN663OXAWUQURF7J2X5LHD4VD3/	vendor-advisory, x_refsource_FEDORA
	https://seclists.org/bugtraq/2019/Aug/41	mailing-list, x_refsource_BUGTRAQ
	https://www.debian.org/security/2019/dsa-4506	vendor-advisory, x_refsource_DEBIAN
	https://blog.bi0s.in/2019/08/24/Pwn/VM-Escape/2019-07-29-qemu-vm-escape-cve-2019-14378/	x_refsource_MISC
	https://news.ycombinator.com/item?id=20799010	x_refsource_MISC
	http://packetstormsecurity.com/files/154269/QEMU-Denial-Of-Service.html	x_refsource_MISC
	http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.html	vendor-advisory, x_refsource_SUSE
	https://www.debian.org/security/2019/dsa-4512	vendor-advisory, x_refsource_DEBIAN
	https://seclists.org/bugtraq/2019/Sep/3	mailing-list, x_refsource_BUGTRAQ
	http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.html	vendor-advisory, x_refsource_SUSE
	https://support.f5.com/csp/article/K25423748	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html	mailing-list, x_refsource_MLIST
	https://support.f5.com/csp/article/K25423748?utm_source=f5support&amp%3Butm_medium=RSS	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2019:3179	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:3403	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:3494	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:3742	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:3787	vendor-advisory, x_refsource_REDHAT
	https://usn.ubuntu.com/4191-2/	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.html	vendor-advisory, x_refsource_SUSE
	https://usn.ubuntu.com/4191-1/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2019:3968	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:4344	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2020:0366	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2020:0775	vendor-advisory, x_refsource_REDHAT

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://gitlab.freedesktop.org/slirp/libslirp/commit/126c04acbabd7ad32c2b018fe10dfac2a3bc1210",
              "refsource": "MISC",
              "url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/126c04acbabd7ad32c2b018fe10dfac2a3bc1210"
            },
            {
              "name": "[oss-security] 20190801 CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2019/08/01/2"
            },
            {
              "name": "FEDORA-2019-77bafc4454",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPLHB2AN663OXAWUQURF7J2X5LHD4VD3/"
            },
            {
              "name": "20190825 [SECURITY] [DSA 4506-1] qemu security update",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Aug/41"
            },
            {
              "name": "DSA-4506",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2019/dsa-4506"
            },
            {
              "name": "https://blog.bi0s.in/2019/08/24/Pwn/VM-Escape/2019-07-29-qemu-vm-escape-cve-2019-14378/",
              "refsource": "MISC",
              "url": "https://blog.bi0s.in/2019/08/24/Pwn/VM-Escape/2019-07-29-qemu-vm-escape-cve-2019-14378/"
            },
            {
              "name": "https://news.ycombinator.com/item?id=20799010",
              "refsource": "MISC",
              "url": "https://news.ycombinator.com/item?id=20799010"
            },
            {
              "name": "http://packetstormsecurity.com/files/154269/QEMU-Denial-Of-Service.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/154269/QEMU-Denial-Of-Service.html"
            },
            {
              "name": "openSUSE-SU-2019:2041",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.html"
            },
            {
              "name": "DSA-4512",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2019/dsa-4512"
            },
            {
              "name": "20190902 [SECURITY] [DSA 4512-1] qemu security update",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Sep/3"
            },
            {
              "name": "openSUSE-SU-2019:2059",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.html"
            },
            {
              "name": "https://support.f5.com/csp/article/K25423748",
              "refsource": "CONFIRM",
              "url": "https://support.f5.com/csp/article/K25423748"
            },
            {
              "name": "[debian-lts-announce] 20190920 [SECURITY] [DLA 1927-1] qemu security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html"
            },
            {
              "name": "https://support.f5.com/csp/article/K25423748?utm_source=f5support\u0026amp;utm_medium=RSS",
              "refsource": "CONFIRM",
              "url": "https://support.f5.com/csp/article/K25423748?utm_source=f5support\u0026amp;utm_medium=RSS"
            },
            {
              "name": "RHSA-2019:3179",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3179"
            },
            {
              "name": "RHSA-2019:3403",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3403"
            },
            {
              "name": "RHSA-2019:3494",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3494"
            },
            {
              "name": "RHSA-2019:3742",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3742"
            },
            {
              "name": "RHSA-2019:3787",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3787"
            },
            {
              "name": "USN-4191-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4191-2/"
            },
            {
              "name": "openSUSE-SU-2019:2510",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.html"
            },
            {
              "name": "USN-4191-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4191-1/"
            },
            {
              "name": "RHSA-2019:3968",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3968"
            },
            {
              "name": "RHSA-2019:4344",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:4344"
            },
            {
              "name": "RHSA-2020:0366",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0366"
            },
            {
              "name": "RHSA-2020:0775",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0775"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-14378",
    "datePublished": "2019-07-29T10:05:22",
    "dateReserved": "2019-07-29T00:00:00",
    "dateUpdated": "2024-08-05T00:19:40.277Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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