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BDU:2020-02761

Опубликовано: 03 июн. 2020
Источник: fstec
CVSS3: 6.8
CVSS2: 7.2
EPSS Низкий

Описание

Уязвимость функционала проверки файлов образов операционной системы Cisco IOS XE связана с ошибками проверки криптографической подписи. Эксплуатация уязвимости может позволить нарушителю установить вредоносное программное обеспечение

Вендор

Cisco Systems Inc.

Наименование ПО

Cisco IOS XE

Версия ПО

16.1 (Cisco IOS XE)
16.2 (Cisco IOS XE)
16.3 (Cisco IOS XE)
3.2 (Cisco IOS XE)
3.3 (Cisco IOS XE)
3.4 (Cisco IOS XE)
3.5 (Cisco IOS XE)
3.6 (Cisco IOS XE)
3.7 (Cisco IOS XE)
3.8 (Cisco IOS XE)
3.9 (Cisco IOS XE)
3.10 (Cisco IOS XE)
3.11 (Cisco IOS XE)
3.12 (Cisco IOS XE)
3.13 (Cisco IOS XE)
3.14 (Cisco IOS XE)
3.15 (Cisco IOS XE)
3.16 (Cisco IOS XE)
3.17 (Cisco IOS XE)
3.18 (Cisco IOS XE)
16.4 (Cisco IOS XE)
16.5 (Cisco IOS XE)
16.6 (Cisco IOS XE)

Тип ПО

Операционная система

Операционные системы и аппаратные платформы

Cisco Systems Inc. Cisco IOS XE 16.1
Cisco Systems Inc. Cisco IOS XE 16.2
Cisco Systems Inc. Cisco IOS XE 16.3
Cisco Systems Inc. Cisco IOS XE 3.2
Cisco Systems Inc. Cisco IOS XE 3.3
Cisco Systems Inc. Cisco IOS XE 3.4
Cisco Systems Inc. Cisco IOS XE 3.5
Cisco Systems Inc. Cisco IOS XE 3.6
Cisco Systems Inc. Cisco IOS XE 3.7
Cisco Systems Inc. Cisco IOS XE 3.8
Cisco Systems Inc. Cisco IOS XE 3.9
Cisco Systems Inc. Cisco IOS XE 3.10
Cisco Systems Inc. Cisco IOS XE 3.11
Cisco Systems Inc. Cisco IOS XE 3.12
Cisco Systems Inc. Cisco IOS XE 3.13
Cisco Systems Inc. Cisco IOS XE 3.14
Cisco Systems Inc. Cisco IOS XE 3.15
Cisco Systems Inc. Cisco IOS XE 3.16
Cisco Systems Inc. Cisco IOS XE 3.17
Cisco Systems Inc. Cisco IOS XE 3.18
Cisco Systems Inc. Cisco IOS XE 16.4
Cisco Systems Inc. Cisco IOS XE 16.5
Cisco Systems Inc. Cisco IOS XE 16.6

Уровень опасности уязвимости

Высокий уровень опасности (базовая оценка CVSS 2.0 составляет 7,2)
Средний уровень опасности (базовая оценка CVSS 3.0 составляет 6,8)

Возможные меры по устранению уязвимости

Использование рекомендаций:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-digsig-bypass-FYQ3bmVq

Статус уязвимости

Подтверждена производителем

Наличие эксплойта

Данные уточняются

Информация об устранении

Уязвимость устранена

Идентификаторы других систем описаний уязвимостей

EPSS

Процентиль: 14%
0.00045
Низкий

6.8 Medium

CVSS3

7.2 High

CVSS2

Связанные уязвимости

CVSS3: 6.8
nvd
больше 5 лет назад

A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability is due to an improper check on the area of code that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by loading unsigned software on an affected device. A successful exploit could allow the attacker to install and boot a malicious software image or execute unsigned binaries on the targeted device.

CVSS3: 6.8
github
больше 3 лет назад

A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability is due to an improper check on the area of code that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by loading unsigned software on an affected device. A successful exploit could allow the attacker to install and boot a malicious software image or execute unsigned binaries on the targeted device.

EPSS

Процентиль: 14%
0.00045
Низкий

6.8 Medium

CVSS3

7.2 High

CVSS2