cnvd - cnvd-2020-31991

cnvd-2020-31991

Vulnerability from cnvd

Title: Cisco IOS XE数据伪造问题漏洞（CNVD-2020-31991）

Description:

Cisco IOS XE是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。

Cisco IOS XE中的软件映像验证存在数据伪造问题漏洞，该漏洞源于程序在初始引导过程中未正确检查用于管理系统映像文件的数字签名验证的代码区域。攻击者可通过在受影响的设备上加载未签名的软件利用该漏洞在目标设备上安装和启动恶意软件映像或执行未签名的二进制文件。

Severity: 高

Patch Name: Cisco IOS XE数据伪造问题漏洞（CNVD-2020-31991）的补丁

Patch Description:

Cisco IOS XE是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。

Cisco IOS XE中的软件映像验证存在数据伪造问题漏洞，该漏洞源于程序在初始引导过程中未正确检查用于管理系统映像文件的数字签名验证的代码区域。攻击者可通过在受影响的设备上加载未签名的软件利用该漏洞在目标设备上安装和启动恶意软件映像或执行未签名的二进制文件。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-digsig-bypass-FYQ3bmVq

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-3209

Impacted products

Name
Cisco IOS XE

Show details on source website

JSON

To clipboard

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      "cveNumber": "CVE-2020-3209"
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  "products": {
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  "serverity": "\u9ad8",
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  "title": "Cisco IOS XE\u6570\u636e\u4f2a\u9020\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2020-31991\uff09"
}

CVE-2020-3209 (GCVE-0-2020-3209)

Vulnerability from cvelistv5

Published

2020-06-03 17:40

Modified

2024-11-15 17:18

Severity ?

6.8 (Medium) - CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-347

Summary

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.

References

▼	URL	Tags
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-digsig-bypass-FYQ3bmVq	vendor-advisory, x_refsource_CISCO

Impacted products

	Vendor	Product	Version
	Cisco	Cisco IOS XE Software 3.2.0SG	Version: n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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