Test ID:	1.3.6.1.4.1.25623.1.1.2.2021.1275
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for qemu (EulerOS-SA-2021-1275)
Summary:	The remote host is missing an update for the Huawei EulerOS 'qemu' package(s) announced via the EulerOS-SA-2021-1275 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'qemu' package(s) announced via the EulerOS-SA-2021-1275 advisory. Vulnerability Insight: In QEMU through 5.0.0, an integer overflow was found in the SM501 display driver implementation. This flaw occurs in the COPY_AREA macro while handling MMIO write operations through the sm501_2d_engine_write() callback. A local attacker could abuse this flaw to crash the QEMU process in sm501_2d_operation() in hw/display/sm501.c on the host, resulting in a denial of service.(CVE-2020-12829) hw/usb/hcd-ohci.c in QEMU 5.0.0 has a stack-based buffer over-read via values obtained from the host controller driver.(CVE-2020-25624) A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.(CVE-2020-25723) hw/usb/hcd-ohci.c in QEMU 5.0.0 has an infinite loop when a TD list has a loop.(CVE-2020-25625) hw/net/e1000e_core.c in QEMU 5.0.0 has an infinite loop via an RX descriptor with a NULL buffer address.(CVE-2020-28916) Affected Software/OS: 'qemu' package(s) on Huawei EulerOS V2.0SP9(x86_64). 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-2020-12829 Common Vulnerability Exposure (CVE) ID: CVE-2020-25624 Common Vulnerability Exposure (CVE) ID: CVE-2020-25625 Common Vulnerability Exposure (CVE) ID: CVE-2020-25723 Common Vulnerability Exposure (CVE) ID: CVE-2020-28916
Copyright	Copyright (C) 2021 Greenbone Networks GmbH

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