BDU:2021-05946
Scores
EPSS
Percentile: 0.0%
CVSS
CVSS Score: 9.9/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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
Low (L)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Changed (C)
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:S/C:C/I:C/A:C
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
Single
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 Java-библиотеки Xstream для преобразования объектов в форматы XML или JSON связана с неверным управлением генерацией кода. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнять команды на хосте путем манипулирования обработанным входным потоком данных
Scaner-VS 7 — a modern vulnerability management solution
Sources
Related Vulnerabilities
Exploits
Exploit ID: CVE-2021-21345
Source: github-poc
URL: https://github.com/shoucheng3/x-stream__xstream_CVE-2021-21345_1-4-15
Reference Links
Recommendations
Source: bdu
Использование рекомендаций:
Для xstream:
https://x-stream.github.io/security.html#workaround
https://x-stream.github.io/CVE-2021-21345.html
Для Debian GNU/Linux:
https://security-tracker.debian.org/tracker/CVE-2021-21345
https://lists.debian.org/debian-lts-announce/2021/04/msg00002.html
Для Apache:
https://lists.apache.org/thread/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd@%3cusers.activemq.apache.org%3e
https://issues.apache.org/jira/browse/AMQ-7426
Для Ubuntu:
https://ubuntu.com/security/CVE-2021-21344
https://ubuntu.com/security/notices/USN-4943-1
Для Fedora:
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/
Для программных продуктов Oracle Corp.:
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpuoct2021.html
Для программных продуктов Red Hat Inc.:
https://access.redhat.com/security/cve/cve-2021-21345
Для программных продуктов Novell Inc.:
https://www.suse.com/security/cve/CVE-2021-21345.html
Для McAfee Inc.:
https://docs.mcafee.com/ru-RU/bundle/web-gateway-8.2.x-release-notes/page/GUID-66AC8C57-9C6E-4785-994A-641F156C0E0B.html
Vulnerable Software (684)
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: opensuse leap 15.2
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: ubuntu 21.04
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: fedora 34
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: fedora 35
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: ubuntu 18.04 LTS
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: fedora 33
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: opensuse leap 15.3
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: opensuse tumbleweed *
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: red hat enterprise linux 7
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: debian gnu/linux 9
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: ubuntu 20.04 LTS
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: apache software foundation
Product: log4j
Operating System: ubuntu 20.10
{ "version_end_excluding": "5.17.0"}
Source: bdu
Type: Configuration
Vendor: mcafee inc.
Product: mcafee web gateway
Operating System: fedora 35
{ "version_end_excluding": "8.2.22"}
Source: bdu
Type: Configuration
Vendor: mcafee inc.
Product: mcafee web gateway
Operating System: ubuntu 18.04 LTS
{ "version_end_excluding": "8.2.22"}
Source: bdu
Type: Configuration
Vendor: mcafee inc.
Product: mcafee web gateway
Operating System: fedora 33
{ "version_end_excluding": "8.2.22"}
Source: bdu
Type: Configuration
Vendor: mcafee inc.
Product: mcafee web gateway
Operating System: opensuse tumbleweed *
{ "version_end_excluding": "8.2.22"}
Source: bdu
Type: Configuration
Vendor: mcafee inc.
Product: mcafee web gateway
Operating System: red hat enterprise linux 7
{ "version_end_excluding": "8.2.22"}
Source: bdu
Type: Configuration
Vendor: mcafee inc.
Product: mcafee web gateway
Operating System: debian gnu/linux 9
{ "version_end_excluding": "8.2.22"}
Source: bdu
Type: Configuration
Vendor: mcafee inc.
Product: mcafee web gateway
Operating System: ubuntu 20.04 LTS
{ "version_end_excluding": "8.2.22"}
Source: bdu
Type: Configuration
Vendor: mcafee inc.
Product: mcafee web gateway
Operating System: ubuntu 20.10
{ "version_end_excluding": "8.2.22"}
Source: bdu