Test ID:	1.3.6.1.4.1.25623.1.0.844737
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4650-1)
Summary:	The remote host is missing an update for the 'qemu' package(s) announced via the USN-4650-1 advisory.
Description:	Summary: The remote host is missing an update for the 'qemu' package(s) announced via the USN-4650-1 advisory. Vulnerability Insight: Alexander Bulekov discovered that QEMU incorrectly handled SDHCI device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. (CVE-2020-17380) Sergej Schumilo, Cornelius Aschermann, and Simon Wrner discovered that QEMU incorrectly handled USB device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-25084) Sergej Schumilo, Cornelius Aschermann, and Simon Wrner discovered that QEMU incorrectly handled SDHCI device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-25085) Gaoning Pan, Yongkang Jia, and Yi Ren discovered that QEMU incorrectly handled USB device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-25624) It was discovered that QEMU incorrectly handled USB device emulation. An attacker inside the guest could use this issue to cause QEMU to hang, resulting in a denial of service. (CVE-2020-25625) Cheolwoo Myung discovered that QEMU incorrectly handled USB device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-25723) Gaoning Pan discovered that QEMU incorrectly handled ATI graphics device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2020-27616) Gaoning Pan discovered that QEMU incorrectly handled networking. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-27617) Affected Software/OS: 'qemu' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10. Solution: Please install the updated package(s). CVSS Score: 4.7 CVSS Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-17380 https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html http://www.openwall.com/lists/oss-security/2021/03/09/1 Common Vulnerability Exposure (CVE) ID: CVE-2020-25084 https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg08050.html https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Common Vulnerability Exposure (CVE) ID: CVE-2020-25085 https://bugs.launchpad.net/qemu/+bug/1892960 https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.html https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html Common Vulnerability Exposure (CVE) ID: CVE-2020-25624 https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05492.html Common Vulnerability Exposure (CVE) ID: CVE-2020-25625 https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05905.html Common Vulnerability Exposure (CVE) ID: CVE-2020-25723 https://bugzilla.redhat.com/show_bug.cgi?id=1898579 http://www.openwall.com/lists/oss-security/2020/12/22/1 Common Vulnerability Exposure (CVE) ID: CVE-2020-27616 https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05018.html Common Vulnerability Exposure (CVE) ID: CVE-2020-27617 https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05731.html
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