6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
7.5 High
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.004 Low
EPSS
Percentile
74.0%
Issue Overview:
tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code. (CVE-2020-7039)
An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host. (CVE-2020-1711)
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.amzn2.0.2.aarch64
qemu-common-3.1.0-8.amzn2.0.2.aarch64
qemu-guest-agent-3.1.0-8.amzn2.0.2.aarch64
qemu-img-3.1.0-8.amzn2.0.2.aarch64
ivshmem-tools-3.1.0-8.amzn2.0.2.aarch64
qemu-block-curl-3.1.0-8.amzn2.0.2.aarch64
qemu-block-dmg-3.1.0-8.amzn2.0.2.aarch64
qemu-block-iscsi-3.1.0-8.amzn2.0.2.aarch64
qemu-block-nfs-3.1.0-8.amzn2.0.2.aarch64
qemu-block-rbd-3.1.0-8.amzn2.0.2.aarch64
qemu-block-ssh-3.1.0-8.amzn2.0.2.aarch64
qemu-audio-alsa-3.1.0-8.amzn2.0.2.aarch64
qemu-audio-oss-3.1.0-8.amzn2.0.2.aarch64
qemu-audio-pa-3.1.0-8.amzn2.0.2.aarch64
qemu-audio-sdl-3.1.0-8.amzn2.0.2.aarch64
qemu-ui-curses-3.1.0-8.amzn2.0.2.aarch64
qemu-ui-gtk-3.1.0-8.amzn2.0.2.aarch64
qemu-ui-sdl-3.1.0-8.amzn2.0.2.aarch64
qemu-kvm-3.1.0-8.amzn2.0.2.aarch64
qemu-kvm-core-3.1.0-8.amzn2.0.2.aarch64
qemu-user-3.1.0-8.amzn2.0.2.aarch64
qemu-user-binfmt-3.1.0-8.amzn2.0.2.aarch64
qemu-user-static-3.1.0-8.amzn2.0.2.aarch64
qemu-system-aarch64-3.1.0-8.amzn2.0.2.aarch64
qemu-system-aarch64-core-3.1.0-8.amzn2.0.2.aarch64
qemu-system-x86-3.1.0-8.amzn2.0.2.aarch64
qemu-system-x86-core-3.1.0-8.amzn2.0.2.aarch64
qemu-debuginfo-3.1.0-8.amzn2.0.2.aarch64
i686:
qemu-3.1.0-8.amzn2.0.2.i686
qemu-common-3.1.0-8.amzn2.0.2.i686
qemu-guest-agent-3.1.0-8.amzn2.0.2.i686
qemu-img-3.1.0-8.amzn2.0.2.i686
ivshmem-tools-3.1.0-8.amzn2.0.2.i686
qemu-block-curl-3.1.0-8.amzn2.0.2.i686
qemu-block-dmg-3.1.0-8.amzn2.0.2.i686
qemu-block-iscsi-3.1.0-8.amzn2.0.2.i686
qemu-block-nfs-3.1.0-8.amzn2.0.2.i686
qemu-block-ssh-3.1.0-8.amzn2.0.2.i686
qemu-audio-alsa-3.1.0-8.amzn2.0.2.i686
qemu-audio-oss-3.1.0-8.amzn2.0.2.i686
qemu-audio-pa-3.1.0-8.amzn2.0.2.i686
qemu-audio-sdl-3.1.0-8.amzn2.0.2.i686
qemu-ui-curses-3.1.0-8.amzn2.0.2.i686
qemu-ui-gtk-3.1.0-8.amzn2.0.2.i686
qemu-ui-sdl-3.1.0-8.amzn2.0.2.i686
qemu-kvm-3.1.0-8.amzn2.0.2.i686
qemu-kvm-core-3.1.0-8.amzn2.0.2.i686
qemu-user-3.1.0-8.amzn2.0.2.i686
qemu-user-binfmt-3.1.0-8.amzn2.0.2.i686
qemu-user-static-3.1.0-8.amzn2.0.2.i686
qemu-system-aarch64-3.1.0-8.amzn2.0.2.i686
qemu-system-aarch64-core-3.1.0-8.amzn2.0.2.i686
qemu-system-x86-3.1.0-8.amzn2.0.2.i686
qemu-system-x86-core-3.1.0-8.amzn2.0.2.i686
qemu-debuginfo-3.1.0-8.amzn2.0.2.i686
src:
qemu-3.1.0-8.amzn2.0.2.src
x86_64:
qemu-3.1.0-8.amzn2.0.2.x86_64
qemu-common-3.1.0-8.amzn2.0.2.x86_64
qemu-guest-agent-3.1.0-8.amzn2.0.2.x86_64
qemu-img-3.1.0-8.amzn2.0.2.x86_64
ivshmem-tools-3.1.0-8.amzn2.0.2.x86_64
qemu-block-curl-3.1.0-8.amzn2.0.2.x86_64
qemu-block-dmg-3.1.0-8.amzn2.0.2.x86_64
qemu-block-iscsi-3.1.0-8.amzn2.0.2.x86_64
qemu-block-nfs-3.1.0-8.amzn2.0.2.x86_64
qemu-block-rbd-3.1.0-8.amzn2.0.2.x86_64
qemu-block-ssh-3.1.0-8.amzn2.0.2.x86_64
qemu-audio-alsa-3.1.0-8.amzn2.0.2.x86_64
qemu-audio-oss-3.1.0-8.amzn2.0.2.x86_64
qemu-audio-pa-3.1.0-8.amzn2.0.2.x86_64
qemu-audio-sdl-3.1.0-8.amzn2.0.2.x86_64
qemu-ui-curses-3.1.0-8.amzn2.0.2.x86_64
qemu-ui-gtk-3.1.0-8.amzn2.0.2.x86_64
qemu-ui-sdl-3.1.0-8.amzn2.0.2.x86_64
qemu-kvm-3.1.0-8.amzn2.0.2.x86_64
qemu-kvm-core-3.1.0-8.amzn2.0.2.x86_64
qemu-user-3.1.0-8.amzn2.0.2.x86_64
qemu-user-binfmt-3.1.0-8.amzn2.0.2.x86_64
qemu-user-static-3.1.0-8.amzn2.0.2.x86_64
qemu-system-aarch64-3.1.0-8.amzn2.0.2.x86_64
qemu-system-aarch64-core-3.1.0-8.amzn2.0.2.x86_64
qemu-system-x86-3.1.0-8.amzn2.0.2.x86_64
qemu-system-x86-core-3.1.0-8.amzn2.0.2.x86_64
qemu-debuginfo-3.1.0-8.amzn2.0.2.x86_64
Red Hat: CVE-2020-1711, CVE-2020-7039
Mitre: CVE-2020-1711, CVE-2020-7039
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | qemu | < 3.1.0-8.amzn2.0.2 | qemu-3.1.0-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-common | < 3.1.0-8.amzn2.0.2 | qemu-common-3.1.0-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-guest-agent | < 3.1.0-8.amzn2.0.2 | qemu-guest-agent-3.1.0-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-img | < 3.1.0-8.amzn2.0.2 | qemu-img-3.1.0-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | ivshmem-tools | < 3.1.0-8.amzn2.0.2 | ivshmem-tools-3.1.0-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-curl | < 3.1.0-8.amzn2.0.2 | qemu-block-curl-3.1.0-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-dmg | < 3.1.0-8.amzn2.0.2 | qemu-block-dmg-3.1.0-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-iscsi | < 3.1.0-8.amzn2.0.2 | qemu-block-iscsi-3.1.0-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-nfs | < 3.1.0-8.amzn2.0.2 | qemu-block-nfs-3.1.0-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | qemu-block-rbd | < 3.1.0-8.amzn2.0.2 | qemu-block-rbd-3.1.0-8.amzn2.0.2.aarch64.rpm |
6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
7.5 High
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.004 Low
EPSS
Percentile
74.0%