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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:231756
[Eng]
Version
1
Class
patch
ALTXid
459457
Language
Russian
Severity
Medium
Title
Обновление RLSA-2021:3061 : устранение уязвимостей и ошибок в virt:rhel и virt-devel:rhel (умеренное)
Description
* QEMU: msix: OOB access during mmio operations may lead to DoS (CVE-2020-13754)
* hivex: Buffer overflow when provided invalid node key length (CVE-2021-3504)
* QEMU: net: an assert failure via eth_get_gso_type (CVE-2020-27617)
* QEMU: net: infinite loop in loopback mode may lead to stack overflow (CVE-2021-3416)
* qemu: out-of-bound heap buffer access via an interrupt ID field (CVE-2021-20221)
Family
unix
Platform
Rocky Linux 8
Product
virt
Reference
VENDOR: RLSA-2021:3061
VENDOR: RLSA-2021:3061
Id:
RLSA-2021:3061
Reference:
https://errata.rockylinux.org/RLSA-2021:3061
CVE: CVE-2020-13754
CVE: CVE-2020-13754
Id:
CVE-2020-13754
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13754
Comment
: hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
CVSSv2 Score:
4.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
6.7
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
http://www.openwall.com/lists/oss-security/2020/06/01/6 (CONFIRM)
https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00004.html (MISC)
https://security.netapp.com/advisory/ntap-20200608-0007/ (CONFIRM)
[oss-security] 20200615 Re: CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS (MLIST)
DSA-4728 (DEBIAN)
[debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security update (MLIST)
USN-4467-1 (UBUNTU)
GLSA-202011-09 (GENTOO)
CVE: CVE-2020-27617
CVE: CVE-2020-27617
Id:
CVE-2020-27617
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27617
Comment
: eth_get_gso_type in net/eth.c in QEMU 4.2.1 allows guest OS users to trigger an assertion failure. A guest can crash the QEMU process via packet data that lacks a valid Layer 3 protocol.
CVSSv2 Score:
4
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSSv3 Score:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
617 (Reachable Assertion)
References:
http://www.openwall.com/lists/oss-security/2020/11/02/1 (CONFIRM)
https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05731.html (MISC)
[debian-lts-announce] 20201129 [SECURITY] [DLA 2469-1] qemu security update (MLIST)
https://security.netapp.com/advisory/ntap-20201202-0002/ (CONFIRM)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-20221
CVE: CVE-2021-20221
Id:
CVE-2021-20221
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20221
Comment
: An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to the said issue while updating controller state fields and their subsequent processing. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE:
125 (Out-of-bounds Read)
References:
[debian-lts-announce] 20210218 [SECURITY] [DLA 2560-1] qemu security update (MLIST)
https://bugzilla.redhat.com/show_bug.cgi?id=1924601 (MISC)
[oss-security] 20210205 CVE-2021-20221 QEMU: aarch64: GIC: out-of-bound heap buffer access via an interrupt ID field (MLIST)
https://security.netapp.com/advisory/ntap-20210708-0005/ (CONFIRM)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-3416
CVE: CVE-2021-3416
Id:
CVE-2021-3416
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3416
Comment
: A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE:
835 (Loop with Unreachable Exit Condition ('Infinite Loop'))
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1932827 (MISC)
https://www.openwall.com/lists/oss-security/2021/02/26/1 (MISC)
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update (MLIST)
https://security.netapp.com/advisory/ntap-20210507-0002/ (CONFIRM)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-3504
CVE: CVE-2021-3504
Id:
CVE-2021-3504
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3504
Comment
: A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry (hive) file which would cause hivex to read memory beyond its normal bounds or cause the program to crash. The highest threat from this vulnerability is to system availability.
CVSSv2 Score:
5.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSSv3 Score:
5.4
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
CWE:
125 (Out-of-bounds Read)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1949687 (MISC)
[debian-lts-announce] 20210511 [SECURITY] [DLA 2656-1] hivex security update (MLIST)
FEDORA-2021-b71cc4df92 ()
FEDORA-2021-da76643229 ()
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