csaf_redhat - rhsa-2020

rhsa-2020_1150

Vulnerability from csaf_redhat

Published

2020-03-31 19:56

Modified

2024-11-05 21:59

Summary

Red Hat Security Advisory: qemu-kvm-ma security update

Notes

Topic

An update for qemu-kvm-ma is now available for Red Hat Enterprise Linux 7. 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-ma packages provide the user-space component for running virtual machines that use KVM on the IBM z Systems, IBM Power, and 64-bit ARM architectures. Security Fix(es): * QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server (CVE-2020-1711) * QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from 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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        "text": "Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-ma packages provide the user-space component for running virtual machines that use KVM on the IBM z Systems, IBM Power, and 64-bit ARM architectures.\n\nSecurity Fix(es):\n\n* QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server (CVE-2020-1711)\n\n* QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039)\n\nFor 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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.",
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          "title": "Vulnerability description"
        },
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          "category": "summary",
          "text": "QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server",
          "title": "Vulnerability summary"
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          "category": "other",
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          "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.",
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Vishnu Dev TJ"
          ]
        }
      ],
      "cve": "CVE-2020-7039",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "discovery_date": "2019-08-05T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1791551"
        }
      ],
      "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 tcp_emu() routine while emulating IRC and other protocols. An attacker could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
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          "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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      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-7039"
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        {
          "category": "external",
          "summary": "RHBZ#1791551",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1791551"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-7039",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-7039"
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-7039",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7039"
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      "title": "QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()"
    }
  ]
}

cve-2020-7039

Vulnerability from cvelistv5

Published

2020-01-16 22:51

Modified

2024-08-04 09:18

Severity ?

Summary

tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.

References

▼	URL	Tags
	https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9	x_refsource_MISC
	https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80	x_refsource_MISC
	https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2020/01/16/2	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html	mailing-list, x_refsource_MLIST
	https://seclists.org/bugtraq/2020/Feb/0	mailing-list, x_refsource_BUGTRAQ
	https://www.debian.org/security/2020/dsa-4616	vendor-advisory, x_refsource_DEBIAN
	https://access.redhat.com/errata/RHSA-2020:0348	vendor-advisory, x_refsource_REDHAT
	https://usn.ubuntu.com/4283-1/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2020:0775	vendor-advisory, x_refsource_REDHAT
	http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202005-02	vendor-advisory, x_refsource_GENTOO
	https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T09:18:02.717Z",
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          "shortName": "CVE"
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        "references": [
          {
            "tags": [
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            ],
            "url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9"
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          {
            "tags": [
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            "url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80"
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            "tags": [
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          {
            "tags": [
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              "x_transferred"
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            "url": "http://www.openwall.com/lists/oss-security/2020/01/16/2"
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cve-2020-1711

Vulnerability from cvelistv5

Published

2020-02-11 19:42

Modified

2024-08-04 06:46

Severity ?

7.7 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H

Summary

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1711	x_refsource_CONFIRM
	https://lists.gnu.org/archive/html/qemu-devel/2020-01/msg05535.html	x_refsource_MISC
	https://www.openwall.com/lists/oss-security/2020/01/23/3	x_refsource_MISC
	https://usn.ubuntu.com/4283-1/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2020:0669	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2020:0773	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2020:0730	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2020:0731	vendor-advisory, x_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020/03/msg00017.html	mailing-list, x_refsource_MLIST
	http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202005-02	vendor-advisory, x_refsource_GENTOO
	https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	Red Hat	QEMU

Show details on NVD website

JSON

To clipboard

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                      "product_name": "QEMU",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All qemu versions 2.12.0 before 4.2.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Red Hat"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host."
            }
          ]
        },
        "impact": {
          "cvss": [
            [
              {
                "vectorString": "7.7/CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H",
                "version": "3.0"
              }
            ]
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-122"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1711",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1711"
            },
            {
              "name": "https://lists.gnu.org/archive/html/qemu-devel/2020-01/msg05535.html",
              "refsource": "MISC",
              "url": "https://lists.gnu.org/archive/html/qemu-devel/2020-01/msg05535.html"
            },
            {
              "name": "https://www.openwall.com/lists/oss-security/2020/01/23/3",
              "refsource": "MISC",
              "url": "https://www.openwall.com/lists/oss-security/2020/01/23/3"
            },
            {
              "name": "USN-4283-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4283-1/"
            },
            {
              "name": "RHSA-2020:0669",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0669"
            },
            {
              "name": "RHSA-2020:0773",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0773"
            },
            {
              "name": "RHSA-2020:0730",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0730"
            },
            {
              "name": "RHSA-2020:0731",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0731"
            },
            {
              "name": "[debian-lts-announce] 20200316 [SECURITY] [DLA 2144-1] qemu security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00017.html"
            },
            {
              "name": "openSUSE-SU-2020:0468",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html"
            },
            {
              "name": "GLSA-202005-02",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202005-02"
            },
            {
              "name": "[debian-lts-announce] 20200913 [SECURITY] [DLA 2373-1] qemu security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2020-1711",
    "datePublished": "2020-02-11T19:42:48",
    "dateReserved": "2019-11-27T00:00:00",
    "dateUpdated": "2024-08-04T06:46:30.807Z",
    "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.

Action not permitted

rhsa-2020_1150

Vulnerability from csaf_redhat

cve-2020-7039

Vulnerability from cvelistv5

cve-2020-1711

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature