Vulnerability-Lookup

OESA-2021-1072 (CVE-2020-13754)

Vulnerability from osv_openeuler – Published: 2021-03-05 11:04 – Updated: 2026-08-06 11:04 – Source website

Summary

qemu security update

Details

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.

Security Fix(es):

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.(CVE-2020-13754)

In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.(CVE-2019-20808)

A heap-based buffer overflow was found in QEMU through 5.0.0 in the SDHCI device emulation support. It could occur while doing a multi block SDMA transfer via the sdhci_sdma_transfer_multi_blocks() routine in hw/sd/sdhci.c. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or potentially execute arbitrary code with privileges of the QEMU process on the host.(CVE-2020-17380)

Severity

6.7 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

URL

Type

	https://openeuler.org/en/security/safety-bulletin…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2020-13754	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2019-20808	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2020-17380	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "qemu-4.1.0-33.oe1.aarch64.rpm",
          "qemu-debugsource-4.1.0-33.oe1.aarch64.rpm",
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          "qemu-img-4.1.0-33.oe1.aarch64.rpm",
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        ],
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        }
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    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.\n\r\nSecurity Fix(es):\n\r\nhw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.(CVE-2020-13754)\n\nIn QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.(CVE-2019-20808)\n\nA heap-based buffer overflow was found in QEMU through 5.0.0 in the SDHCI device emulation support. It could occur while doing a multi block SDMA transfer via the sdhci_sdma_transfer_multi_blocks() routine in hw/sd/sdhci.c. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or potentially execute arbitrary code with privileges of the QEMU process on the host.(CVE-2020-17380)",
  "id": "OESA-2021-1072",
  "modified": "2026-08-06T11:04:18Z",
  "published": "2021-03-05T11:04:18Z",
  "references": [
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      "url": "https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1072"
    },
    {
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13754"
    },
    {
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20808"
    },
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    }
  ],
  "summary": "qemu security update",
  "upstream": [
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    "CVE-2019-20808",
    "CVE-2020-17380"
  ]
}

CVE-2019-20808 (GCVE-0-2019-20808)

Vulnerability from cvelistv5 – Published: 2020-12-31 00:26 – Updated: 2024-08-05 02:53

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=a…	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1841136	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2021020…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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CVE-2020-13754 (GCVE-0-2020-13754)

Vulnerability from cvelistv5 – Published: 2020-06-02 13:37 – Updated: 2024-08-04 12:25

Summary

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

8 references

URL	Tags
https://lists.gnu.org/archive/html/qemu-devel/202…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/06/01/6	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2020060…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2020/06/15/8	mailing-listx_refsource_MLIST
https://www.debian.org/security/2020/dsa-4728	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4467-1/	vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/202011-09	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

JSON

To clipboard

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CVE-2020-17380 (GCVE-0-2020-17380)

Vulnerability from cvelistv5 – Published: 2021-01-30 05:38 – Updated: 2024-08-04 13:53

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1862167	x_refsource_CONFIRM
https://lists.nongnu.org/archive/html/qemu-devel/…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2021/03/09/1	mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2021031…	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

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To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OESA-2021-1072 (CVE-2020-13754)

CVE-2019-20808 (GCVE-0-2019-20808)

CVE-2020-13754 (GCVE-0-2020-13754)

CVE-2020-17380 (GCVE-0-2020-17380)

Tags

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Nomenclature

Related by attack behaviour