5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
6.1 Medium
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.0005 Low
EPSS
Percentile
14.9%
Issue Overview:
A memory leakage flaw was found in the way the VNC display driver of QEMU handled the connection disconnect when ZRLE and Tight encoding are enabled. Two VncState objects are created, and one allocates memory for the Zlib’s data object. This allocated memory is not freed upon disconnection, resulting in a memory leak. An attacker able to connect to the VNC server could use this flaw to leak host memory, leading to a potential denial of service. (CVE-2019-20382)
An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU. This issue occurs while processing USB packets from a guest when USBDevice ‘setup_len’ exceeds its ‘data_buf[4096]’ in the do_token_in, do_token_out routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host. (CVE-2020-14364)
Affected Packages:
qemu
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update qemu to update your system.
New Packages:
aarch64:
qemu-3.1.0-8.amzn2.0.5.aarch64
qemu-common-3.1.0-8.amzn2.0.5.aarch64
qemu-guest-agent-3.1.0-8.amzn2.0.5.aarch64
qemu-img-3.1.0-8.amzn2.0.5.aarch64
ivshmem-tools-3.1.0-8.amzn2.0.5.aarch64
qemu-block-curl-3.1.0-8.amzn2.0.5.aarch64
qemu-block-dmg-3.1.0-8.amzn2.0.5.aarch64
qemu-block-iscsi-3.1.0-8.amzn2.0.5.aarch64
qemu-block-nfs-3.1.0-8.amzn2.0.5.aarch64
qemu-block-rbd-3.1.0-8.amzn2.0.5.aarch64
qemu-block-ssh-3.1.0-8.amzn2.0.5.aarch64
qemu-audio-alsa-3.1.0-8.amzn2.0.5.aarch64
qemu-audio-oss-3.1.0-8.amzn2.0.5.aarch64
qemu-audio-pa-3.1.0-8.amzn2.0.5.aarch64
qemu-audio-sdl-3.1.0-8.amzn2.0.5.aarch64
qemu-ui-curses-3.1.0-8.amzn2.0.5.aarch64
qemu-ui-gtk-3.1.0-8.amzn2.0.5.aarch64
qemu-ui-sdl-3.1.0-8.amzn2.0.5.aarch64
qemu-kvm-3.1.0-8.amzn2.0.5.aarch64
qemu-kvm-core-3.1.0-8.amzn2.0.5.aarch64
qemu-user-3.1.0-8.amzn2.0.5.aarch64
qemu-user-binfmt-3.1.0-8.amzn2.0.5.aarch64
qemu-user-static-3.1.0-8.amzn2.0.5.aarch64
qemu-system-aarch64-3.1.0-8.amzn2.0.5.aarch64
qemu-system-aarch64-core-3.1.0-8.amzn2.0.5.aarch64
qemu-system-x86-3.1.0-8.amzn2.0.5.aarch64
qemu-system-x86-core-3.1.0-8.amzn2.0.5.aarch64
qemu-debuginfo-3.1.0-8.amzn2.0.5.aarch64
i686:
qemu-3.1.0-8.amzn2.0.5.i686
qemu-common-3.1.0-8.amzn2.0.5.i686
qemu-guest-agent-3.1.0-8.amzn2.0.5.i686
qemu-img-3.1.0-8.amzn2.0.5.i686
ivshmem-tools-3.1.0-8.amzn2.0.5.i686
qemu-block-curl-3.1.0-8.amzn2.0.5.i686
qemu-block-dmg-3.1.0-8.amzn2.0.5.i686
qemu-block-iscsi-3.1.0-8.amzn2.0.5.i686
qemu-block-nfs-3.1.0-8.amzn2.0.5.i686
qemu-block-ssh-3.1.0-8.amzn2.0.5.i686
qemu-audio-alsa-3.1.0-8.amzn2.0.5.i686
qemu-audio-oss-3.1.0-8.amzn2.0.5.i686
qemu-audio-pa-3.1.0-8.amzn2.0.5.i686
qemu-audio-sdl-3.1.0-8.amzn2.0.5.i686
qemu-ui-curses-3.1.0-8.amzn2.0.5.i686
qemu-ui-gtk-3.1.0-8.amzn2.0.5.i686
qemu-ui-sdl-3.1.0-8.amzn2.0.5.i686
qemu-kvm-3.1.0-8.amzn2.0.5.i686
qemu-kvm-core-3.1.0-8.amzn2.0.5.i686
qemu-user-3.1.0-8.amzn2.0.5.i686
qemu-user-binfmt-3.1.0-8.amzn2.0.5.i686
qemu-user-static-3.1.0-8.amzn2.0.5.i686
qemu-system-aarch64-3.1.0-8.amzn2.0.5.i686
qemu-system-aarch64-core-3.1.0-8.amzn2.0.5.i686
qemu-system-x86-3.1.0-8.amzn2.0.5.i686
qemu-system-x86-core-3.1.0-8.amzn2.0.5.i686
qemu-debuginfo-3.1.0-8.amzn2.0.5.i686
src:
qemu-3.1.0-8.amzn2.0.5.src
x86_64:
qemu-3.1.0-8.amzn2.0.5.x86_64
qemu-common-3.1.0-8.amzn2.0.5.x86_64
qemu-guest-agent-3.1.0-8.amzn2.0.5.x86_64
qemu-img-3.1.0-8.amzn2.0.5.x86_64
ivshmem-tools-3.1.0-8.amzn2.0.5.x86_64
qemu-block-curl-3.1.0-8.amzn2.0.5.x86_64
qemu-block-dmg-3.1.0-8.amzn2.0.5.x86_64
qemu-block-iscsi-3.1.0-8.amzn2.0.5.x86_64
qemu-block-nfs-3.1.0-8.amzn2.0.5.x86_64
qemu-block-rbd-3.1.0-8.amzn2.0.5.x86_64
qemu-block-ssh-3.1.0-8.amzn2.0.5.x86_64
qemu-audio-alsa-3.1.0-8.amzn2.0.5.x86_64
qemu-audio-oss-3.1.0-8.amzn2.0.5.x86_64
qemu-audio-pa-3.1.0-8.amzn2.0.5.x86_64
qemu-audio-sdl-3.1.0-8.amzn2.0.5.x86_64
qemu-ui-curses-3.1.0-8.amzn2.0.5.x86_64
qemu-ui-gtk-3.1.0-8.amzn2.0.5.x86_64
qemu-ui-sdl-3.1.0-8.amzn2.0.5.x86_64
qemu-kvm-3.1.0-8.amzn2.0.5.x86_64
qemu-kvm-core-3.1.0-8.amzn2.0.5.x86_64
qemu-user-3.1.0-8.amzn2.0.5.x86_64
qemu-user-binfmt-3.1.0-8.amzn2.0.5.x86_64
qemu-user-static-3.1.0-8.amzn2.0.5.x86_64
qemu-system-aarch64-3.1.0-8.amzn2.0.5.x86_64
qemu-system-aarch64-core-3.1.0-8.amzn2.0.5.x86_64
qemu-system-x86-3.1.0-8.amzn2.0.5.x86_64
qemu-system-x86-core-3.1.0-8.amzn2.0.5.x86_64
qemu-debuginfo-3.1.0-8.amzn2.0.5.x86_64
Red Hat: CVE-2019-20382, CVE-2020-14364
Mitre: CVE-2019-20382, CVE-2020-14364
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | qemu | < 3.1.0-8.amzn2.0.5 | qemu-3.1.0-8.amzn2.0.5.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-common | < 3.1.0-8.amzn2.0.5 | qemu-common-3.1.0-8.amzn2.0.5.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-guest-agent | < 3.1.0-8.amzn2.0.5 | qemu-guest-agent-3.1.0-8.amzn2.0.5.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-img | < 3.1.0-8.amzn2.0.5 | qemu-img-3.1.0-8.amzn2.0.5.aarch64.rpm |
Amazon Linux | 2 | aarch64 | ivshmem-tools | < 3.1.0-8.amzn2.0.5 | ivshmem-tools-3.1.0-8.amzn2.0.5.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-curl | < 3.1.0-8.amzn2.0.5 | qemu-block-curl-3.1.0-8.amzn2.0.5.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-dmg | < 3.1.0-8.amzn2.0.5 | qemu-block-dmg-3.1.0-8.amzn2.0.5.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-iscsi | < 3.1.0-8.amzn2.0.5 | qemu-block-iscsi-3.1.0-8.amzn2.0.5.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-nfs | < 3.1.0-8.amzn2.0.5 | qemu-block-nfs-3.1.0-8.amzn2.0.5.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-rbd | < 3.1.0-8.amzn2.0.5 | qemu-block-rbd-3.1.0-8.amzn2.0.5.aarch64.rpm |
5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
6.1 Medium
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.0005 Low
EPSS
Percentile
14.9%