BDU:2020-05622
Scores
EPSS
Percentile: 0.0%
CVSS
CVSS Score: 8.0/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/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
High (H)
Describes the conditions beyond the attacker's control
Privileges Required
Low (L)
Describes the level of privileges an attacker must possess
User Interaction
Required (R)
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:H/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
High (H)
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 для преобразования объектов в XML или JSON формат Xstream существует из-за непринятия мер по нейтрализации специальных элементов, используемых в команде операционной системы. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнить произвольный код
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Sources
Related Vulnerabilities
Exploits
Exploit ID: CVE-2020-26217
Source: github-poc
Reference Links
Recommendations
Source: bdu
Использование рекомендаций:
Для Xstream:
https://github.com/x-stream/xstream/commit/0fec095d534126931c99fd38e9c6d41f5c685c1a
Для Debian GNU/Linux:
https://lists.debian.org/debian-lts-announce/2020/12/msg00001.html
Для ОС ОН «Стрелец»:
Обновление программного обеспечения libxstream-java до версии 1.4.11.1-1+deb9u5
Vulnerable Software (3)
Type: Configuration
Vendor: xstream project
Product: xstream
Operating System: strelets *
{ "version_end_excluding": "1.4.14"}
Source: bdu
Type: Configuration
Vendor: xstream project
Product: xstream
Operating System: осон основа оnyx *
{ "version_end_excluding": "1.4.14"}
Source: bdu
Type: Configuration
Vendor: xstream project
Product: xstream
Operating System: debian gnu/linux 9
{ "version_end_excluding": "1.4.14"}
Source: bdu