BDU:2020-00855
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 stdin getln программы системного администрирования Sudo связана с переполнением буфера в стеке. Эксплуатация уязвимости может позволить нарушителю повысить свои привилегии
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Sources
Related Vulnerabilities
Exploits
Exploit ID: CVE-2019-18634
Source: github-poc
Reference Links
Recommendations
Source: bdu
Использование рекомендаций:
Для Sudo:
https://www.sudo.ws/alerts/pwfeedback.html
Для Debian:
https://www.debian.org/security/2020/dsa-4614
Для Ubuntu:
https://usn.ubuntu.com/4263-2/
https://usn.ubuntu.com/4263-1/
Для программных продуктов Novell Inc.:
https://www.suse.com/security/cve/CVE-2019-18634/
Для Red Hat Inc.:
https://access.redhat.com/security/cve/CVE-2019-18634
Для Astra Linux:
Обновление программного обеспечения (пакета sudo) до 1.8.19p1-2.1+deb9u2 или более поздней версии
Для Fedora Project:
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I6TKF36KOQUVJNBHSVJFA7BU3CCEYD2F/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IY6DZ7WMDKU4ZDML6MJLDAPG42B5WVUC/
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 ОС Astra Linux 1.6 «Смоленск»:
обновить пакет sudo до 1.8.19p1-2.1+deb9u2 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20200327SE16
Vulnerable Software (160)
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: debian gnu/linux 9
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: debian gnu/linux 9
{ "version_exact": "1.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: ubuntu 12.04 ESM
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: ubuntu 12.04 ESM
{ "version_exact": "1.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: red hat enterprise linux 8
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: red hat enterprise linux 8
{ "version_exact": "1.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: suse linux enterprise Server 11 SP4 LTSS
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: suse linux enterprise Server 11 SP4 LTSS
{ "version_exact": "1.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: red hat enterprise linux 7
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: red hat enterprise linux 7
{ "version_exact": "1.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: fedora 31
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: fedora 31
{ "version_exact": "1.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: strelets *
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: strelets *
{ "version_exact": "1.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: astra 1.5
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: astra 1.5
{ "version_exact": "1.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: suse linux enterprise Server 12 SP2
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: suse linux enterprise Server 12 SP2
{ "version_exact": "1.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: astra 1.6
{ "version_exact": "2.0"}
Source: bdu
Type: Configuration
Vendor: novell inc.
Product: suse caas platform
Operating System: astra 1.6
{ "version_exact": "1.0"}
Source: bdu