The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4467-1 advisory.

    Ziming Zhang and VictorV discovered that the QEMU SLiRP networking implementation incorrectly handled     replying to certain ICMP echo requests. An attacker inside a guest could possibly use this issue to leak     host memory to obtain sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-10756)

    Eric Blake and Xueqiang Wei discovered that the QEMU NDB implementation incorrectly handled certain     requests. A remote attacker could possibly use this issue to cause QEMU to crash, resulting in a denial of     service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-10761)

    Ziming Zhang discovered that the QEMU SM501 graphics driver incorrectly handled certain operations. An     attacker inside a guest could use this issue to cause QEMU to crash, resulting in a denial of service, or     possibly execute arbitrary code. (CVE-2020-12829)

    It was discovered that the QEMU SD memory card implementation incorrectly handled certain memory     operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in     a denial of service. (CVE-2020-13253)

    Ren Ding and Hanqing Zhao discovered that the QEMU ES1370 audio driver incorrectly handled certain invalid     frame counts. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting     in a denial of service. (CVE-2020-13361)

    Ren Ding and Hanqing Zhao discovered that the QEMU MegaRAID SAS SCSI driver incorrectly handled certain     memory operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash,     resulting in a denial of service. (CVE-2020-13362)

    Alexander Bulekov discovered that QEMU MegaRAID SAS SCSI driver incorrectly handled certain memory space     operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in     a denial of service. (CVE-2020-13659)

    Ren Ding, Hanqing Zhao, Alexander Bulekov, and Anatoly Trosinenko discovered that the QEMU incorrectly     handled certain msi-x mmio operations. An attacker inside a guest could possibly use this issue to cause     QEMU to crash, resulting in a denial of service. (CVE-2020-13754)

    It was discovered that QEMU incorrectly handled certain memory copy operations when loading ROM contents.
    If a user were tricked into running an untrusted kernel image, a remote attacker could possibly use this     issue to run arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
    (CVE-2020-13765)

    Ren Ding, Hanqing Zhao, and Yi Ren discovered that the QEMU ATI video driver incorrectly handled certain     index values. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting     in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-13800)

    Ziming Zhang discovered that the QEMU OSS audio driver incorrectly handled certain operations. An attacker     inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service.
    This issue only affected Ubuntu 20.04 LTS. (CVE-2020-14415)

    Ziming Zhang discovered that the QEMU XGMAC Ethernet controller incorrectly handled packet transmission.
    An attacker inside a guest could use this issue to cause QEMU to crash, resulting in a denial of service,     or possibly execute arbitrary code. (CVE-2020-15863)

    Ziming Zhang discovered that the QEMU e1000e Ethernet controller incorrectly handled packet processing. An     attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of     service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-16092)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : QEMU vulnerabilities (USN-4467-1)

medium Nessus Plugin ID 139725

Version 1.10