BDU:2021-00364
Scores
EPSS
Percentile: 0.0%
CVSS
CVSS Score: 7.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Local (L)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
Low (L)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Local (L)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
Уязвимость функции parse_args() программы системного администрирования Sudo связана с переполнением буфера в динамической памяти. Эксплуатация уязвимости может позволить нарушителю повысить свои привилегии до уровня root
Scaner-VS 7 — a modern vulnerability management solution
Sources
Related Vulnerabilities
Exploits
Reference Links
Recommendations
Source: bdu
Использование рекомендаций:
Для Sudo:
https://www.sudo.ws/stable.html#1.9.5p2
Для Ubuntu:
https://ubuntu.com/security/notices/USN-4705-1
https://ubuntu.com/security/notices/USN-4705-2
Для программных продуктов Red Hat Inc.:
https://access.redhat.com/security/cve/cve-2021-3156
https://bugzilla.redhat.com/show_bug.cgi?id=1917684
Для Debian GNU/Linux:
https://www.debian.org/security/2021/dsa-4839
Для Fedora:
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/
Для Ред ОС:
https://redos.red-soft.ru/updatesec/
Для UBLinux:
https://security.ublinux.ru/ASA-202101-25/generate
Для Astra Linux:
Обновление программного обеспечения (пакета sudo) до 1.8.19p1-2.1+deb9u3 или более поздней версии
Или использование рекомендаций производителя:
https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210730SE16
https://wiki.astralinux.ru/astra-linux-se81-bulletin-20211019SE81
Для ОС ОН «Стрелец»:
Обновление программного обеспечения sudo до версии 1.8.27-1+deb10u3.strelets2
Для ОС Альт 8 СП: установка обновления из публичного репозитория программного средства
Для программной системы управления средой виртуализации с подсистемой безагентного резервного копирования виртуальных машин «ROSA Virtualization 3.0»: https://abf.rosa.ru/advisories/ROSA-SA-2025-2719
Vulnerable Software (64)
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: red hat enterprise linux 7
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: astra 1.5
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: red hat enterprise linux 7.4 US for SAP Solutions
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: ubuntu 12.04
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: astra 2.12
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: ubuntu 14.04 ESM
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: red hat enterprise linux 8.2 Extended Update Support
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: astra 1.6
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: red hat enterprise linux 8
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: redos 7.2
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: red hat enterprise linux 7.2 Advanced Update Support
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: ubuntu 20.04 LTS
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: rosa virtualization 3.0 3.0
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: ubuntu 16.04 LTS
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: debian gnu/linux 10
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: red hat enterprise linux 7.4 Advanced Update Support
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: ublinux 21.1
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: ublinux 2102
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: ubuntu 18.04 LTS
{ "version_exact": "4"}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat virtualization
Operating System: astra 8.1
{ "version_exact": "4"}
Source: bdu