BDU:2021-04820
Scores
EPSS
Percentile: 0.0%
CVSS
CVSS Score: 9.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
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:N/AC:L/Au:N/C:P/I:P/A:P
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
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
Partial
Measures the impact to the confidentiality of information
Integrity Impact
Partial
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Partial
Measures the impact to the availability of the impacted component
Description
Уязвимость модуля mod_proxy веб-сервера Apache HTTP Server связана с недостаточной проверкой поступающих запросов. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, осуществить SSRF-атаку
Scaner-VS 7 — a modern vulnerability management solution
Sources
Related Vulnerabilities
Reference Links
Recommendations
Source: bdu
Использование рекомендаций:
Для Apache HTTP Server:
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E
Для Fedora:
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
Для продуктов Red Hat Inc.:
https://access.redhat.com/security/cve/cve-2021-40438
Для Astra Linux:
использование рекомендаций производителя: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20211126SE16
использование рекомендаций производителя: https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0114SE47
использование рекомендаций производителя: https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17
Для ОСОН Основа:
Обновление программного обеспечения apache2 до версии 2.4.51-1~deb11u1.osnova8
Для ОСОН Основа:
Обновление программного обеспечения apache2 до версии 2.4.51-1~deb11u1.osnova8
Для ОСОН Основа:
Обновление программного обеспечения apache2 до версии 2.4.51-1~deb11u1.osnova8
Для ОС РОСА “КОБАЛЬТ”:
https://abf.rosalinux.ru/advisories/ROSA-SA-2023-2158
Для системы управления средой виртуализации “ROSA Virtualization”:
https://abf.rosalinux.ru/advisories/ROSA-SA-2023-2160
Для Astra Linux Special Edition для «Эльбрус» 8.1 «Ленинград»:
обновить пакет apache2 до 2.4.46-1~bpo9+1astra.se7 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81
Для ОС ОН «Стрелец»:
Обновление программного обеспечения apache2 до версии 2.4.54-2osnova11.strelets
Для ОС Альт 8 СП: установка обновления из публичного репозитория программного средства
Vulnerable Software (36)
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: rosa virtualization 2.1
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: altlinux 8
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: astra 4.7
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: astra 8.1
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: astra 1.6
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: роса кобальт 7.9
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: осон основа оnyx *
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: astra 1.7
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: fedora 35
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: fedora 34
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: red hat enterprise linux 8
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: apache http server
Operating System: strelets *
{
"version_end_including": "2.4.48"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: altlinux 8
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: rosa virtualization 2.1
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: strelets *
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: red hat enterprise linux 8
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: fedora 34
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: fedora 35
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: astra 1.7
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: осон основа оnyx *
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: роса кобальт 7.9
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: astra 1.6
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: astra 8.1
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: jboss core services
Operating System: astra 4.7
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: red hat enterprise linux 8
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: altlinux 8
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: astra 4.7
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: astra 8.1
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: astra 1.6
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: роса кобальт 7.9
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: осон основа оnyx *
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: astra 1.7
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: fedora 35
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: fedora 34
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: strelets *
{
"version_exact": "*"
}
Source: bdu
Type: Configuration
Vendor: red hat inc.
Product: red hat software collections
Operating System: rosa virtualization 2.1
{
"version_exact": "*"
}
Source: bdu