BDU:2022-07423
Scores
EPSS
Percentile: 0.0%
CVSS
CVSS Score: 7.5/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
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:N/I:N/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
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
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 memset() DNS-сервера Dnsmasq связана с недостаточной проверкой размера DNS-пакетов. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, вызвать отказ в обслуживании, путем отправки специально созданных запросов на порт 53/udp
Scaner-VS 7 — a modern vulnerability management solution
Sources
Related Vulnerabilities
Reference Links
Recommendations
Source: bdu
Использование рекомендаций:
Для Dnsmasq:
https://thekelleys.org.uk/dnsmasq/CHANGELOG
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=63437ffbb58837b214b4b92cb1c54bc5f3279928
Для программных продуктов Belden Inc.:
https://www.belden.com/hubfs/support/security/bulletins/Belden_Security_Bulletin_BSECV-2020-04_1v0.pdf?hsLang=en
Для Fedora:
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4TK6DWC53WSU6633EVZL7H4PCWBYHMHK/
Для продуктов Siemens:
https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf
Vulnerable Software (17)
Type: Configuration
Vendor: belden inc.
Product: owl 3g
Operating System: fedora 27
{ "version_exact": "1.0.00"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl 3g
Operating System: fedora 27
{ "version_exact": "1.1.00"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl 3g
Operating System: fedora 27
{ "version_exact": "1.2.01"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl 3g
Operating System: fedora 27
{ "version_exact": "1.2.04"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl lte
Operating System: fedora 27
{ "version_exact": "1.2.04"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl lte
Operating System: fedora 27
{ "version_exact": "1.0.00"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl lte
Operating System: fedora 27
{ "version_exact": "1.1.00"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl lte
Operating System: fedora 27
{ "version_exact": "1.2.01"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl lte m12
Operating System: fedora 27
{ "version_exact": "1.0.00"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl lte m12
Operating System: fedora 27
{ "version_exact": "1.1.00"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl lte m12
Operating System: fedora 27
{ "version_exact": "1.2.01"}
Source: bdu
Type: Configuration
Vendor: belden inc.
Product: owl lte m12
Operating System: fedora 27
{ "version_exact": "1.2.04"}
Source: bdu
Type: Configuration
Vendor: siemens ag
Product: ruggedcom rm1224
Operating System: fedora 27
{ "version_end_excluding": "5.0"}
Source: bdu
Type: Configuration
Vendor: siemens ag
Product: scalance m800
Operating System: fedora 27
{ "version_end_excluding": "5.0"}
Source: bdu
Type: Configuration
Vendor: siemens ag
Product: scalance s615
Operating System: fedora 27
{ "version_end_excluding": "5.0"}
Source: bdu
Type: Configuration
Vendor: siemens ag
Product: scalance w1750d
Operating System: fedora 27
{ "version_end_excluding": "6.5.1.5"}
Source: bdu
Type: Configuration
Vendor: simon kelley
Product: dnsmasq
Operating System: fedora 27
{ "version_end_excluding": "2.78"}
Source: bdu