csaf_redhat - rhsa-2020

rhsa-2020_0669

Vulnerability from csaf_redhat

Published

2020-03-03 15:27

Modified

2024-11-15 06:09

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 7.6 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-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) 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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        "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\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.",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Felipe Franciosi",
            "Peter Turschmid",
            "Raphael Norwitz"
          ],
          "organization": "nutanix.com"
        }
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      "cve": "CVE-2020-1711",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
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      "discovery_date": "2020-01-20T00:00:00+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "1794290"
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue affects the versions of the qemu-kvm package as shipped with Red Hat Enterprise Linux 8, Red Hat OpenStack, Red Hat Virtualization and Red Hat Enterprise Linux Advanced Virtualization 8.",
          "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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          "date": "2020-03-03T15:27:05+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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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
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      ],
      "title": "QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server"
    }
  ]
}

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

Version

▼

Red Hat

QEMU

Version: All qemu versions 2.12.0 before 4.2.1

Show details on NVD website

JSON

To clipboard

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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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