Test ID:	1.3.6.1.4.1.25623.1.0.844818
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4725-1)
Summary:	The remote host is missing an update for the 'qemu' package(s) announced via the USN-4725-1 advisory.
Description:	Summary: The remote host is missing an update for the 'qemu' package(s) announced via the USN-4725-1 advisory. Vulnerability Insight: It was discovered that QEMU incorrectly handled memory in iSCSI emulation. An attacker inside the guest could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2020-11947) Alexander Bulekov discovered that QEMU incorrectly handled Intel e1000e emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-15859) Alexander Bulekov discovered that QEMU incorrectly handled memory region cache. 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-2020-27821) Cheol-woo Myung discovered that QEMU incorrectly handled Intel e1000e emulation. An attacker inside the guest could use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2020-28916) Wenxiang Qian discovered that QEMU incorrectly handled ATAPI emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-29443) It was discovered that QEMU incorrectly handled VirtFS directory sharing. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2021-20181) 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: 6.9 CVSS Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-11947 https://git.qemu.org/?p=qemu.git;a=commit;h=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5 http://www.openwall.com/lists/oss-security/2021/01/13/4 Common Vulnerability Exposure (CVE) ID: CVE-2020-15859 https://security.gentoo.org/glsa/202208-27 https://bugs.launchpad.net/qemu/+bug/1886362 https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.html https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html https://www.openwall.com/lists/oss-security/2020/07/21/3 Common Vulnerability Exposure (CVE) ID: CVE-2020-27821 https://bugzilla.redhat.com/show_bug.cgi?id=1902651 http://www.openwall.com/lists/oss-security/2020/12/16/6 Common Vulnerability Exposure (CVE) ID: CVE-2020-28916 https://lists.nongnu.org/archive/html/qemu-devel/2020-11/msg03185.html Common Vulnerability Exposure (CVE) ID: CVE-2020-29443 http://www.openwall.com/lists/oss-security/2021/01/18/2 https://lists.nongnu.org/archive/html/qemu-devel/2020-11/msg04685.html Common Vulnerability Exposure (CVE) ID: CVE-2021-20181 [debian-lts-announce] 20210218 [SECURITY] [DLA 2560-1] qemu security update [debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update https://bugzilla.redhat.com/show_bug.cgi?id=1927007 https://security.netapp.com/advisory/ntap-20210720-0009/ https://www.zerodayinitiative.com/advisories/ZDI-21-159/
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