BDU:2015-00126
Scores
EPSS
Percentile: 0.0%
CVSS
CVSS Score: 4.3/10
All CVSS Scores
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
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
Medium
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
Partial
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
None (N)
Measures the impact to the availability of the impacted component
Description
Уязвимость существует в OpenSSL из-за некорректного ограничения обработки сообщений ChangeCipherSpec. Эксплуатация данной уязвимости позволяет злоумышленнику, действующему по принципу “человек посередине”, спровоцировать использование пустого (нулевой длины) мастер-ключа в передаче данных OpenSSL-to-OpenSSL с последующим перехватом сессии или получением доступа к конфиденциальной информации при помощи специально сформированного TLS-квитирования (handshake). Данная уязвимость также известна под названием “Внедрение CCS”.
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Sources
Related Vulnerabilities
Reference Links
Recommendations
Source: bdu
Использование рекомендаций производителя:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140605-openssl
Vulnerable Software (9)
Type: Configuration
Vendor: cisco systems inc.
Product: adaptive security appliance
Operating System: * *
{ "version_end_excluding": "8.5(1.21)", "version_start_including": "8.5"}
Source: bdu
Type: Configuration
Vendor: cisco systems inc.
Product: adaptive security appliance
Operating System: * *
{ "version_end_excluding": "8.6(1.14)", "version_start_including": "8.6"}
Source: bdu
Type: Configuration
Vendor: cisco systems inc.
Product: adaptive security appliance
Operating System: * *
{ "version_end_excluding": "8.7(1.12)", "version_start_including": "8.7"}
Source: bdu
Type: Configuration
Vendor: cisco systems inc.
Product: adaptive security appliance
Operating System: * *
{ "version_end_excluding": "9.0(4.16)", "version_start_including": "9.0"}
Source: bdu
Type: Configuration
Vendor: cisco systems inc.
Product: adaptive security appliance
Operating System: * *
{ "version_end_excluding": "9.2(2)", "version_start_including": "9.2(1)"}
Source: bdu
Type: Configuration
Vendor: cisco systems inc.
Product: adaptive security appliance
Operating System: * *
{ "version_end_excluding": "8.3(2.41)", "version_start_including": "8.3"}
Source: bdu
Type: Configuration
Vendor: cisco systems inc.
Product: adaptive security appliance
Operating System: * *
{ "version_end_excluding": "8.4(7.21)", "version_start_including": "8.4"}
Source: bdu
Type: Configuration
Vendor: cisco systems inc.
Product: adaptive security appliance
Operating System: * *
{ "version_end_excluding": "9.1(5.9)", "version_start_including": "9.1"}
Source: bdu
Type: Configuration
Vendor: cisco systems inc.
Product: adaptive security appliance
Operating System: * *
{ "version_end_excluding": "8.2(5.50)", "version_start_including": "8.0"}
Source: bdu