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CVE-2018-0131

Quick assessment

Affected
Cisco Systems, Inc. IOS and IOS XE
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco IOS Software和IOS XE Software都是美国思科（Cisco）公司为其网络设备开发的操作系统。 Cisco IOS Software和Cisco IOS XE Software中被RSA加密的未知数的实现存在安全漏洞，该漏洞源于程序没有正确的响应加密失败的情况。远程攻击者可通过发送特制的密文利用该漏洞获取IKEv1(互联网密钥交换协议1版本)会话的被加密未知数。

AI Predicted 5.3 Difficulty: Easy EPSS 1.58% · P74
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I. Basic Information for CVE-2018-0131

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the implementation of RSA-encrypted nonces in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to obtain the encrypted nonces of an Internet Key Exchange Version 1 (IKEv1) session. The vulnerability exists because the affected software responds incorrectly to decryption failures. An attacker could exploit this vulnerability sending crafted ciphertexts to a device configured with IKEv1 that uses RSA-encrypted nonces. A successful exploit could allow the attacker to obtain the encrypted nonces. Cisco Bug IDs: CSCve77140.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的加密强度
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS Software和Cisco IOS XE Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS Software和IOS XE Software都是美国思科（Cisco）公司为其网络设备开发的操作系统。 Cisco IOS Software和Cisco IOS XE Software中被RSA加密的未知数的实现存在安全漏洞，该漏洞源于程序没有正确的响应加密失败的情况。远程攻击者可通过发送特制的密文利用该漏洞获取IKEv1(互联网密钥交换协议1版本)会话的被加密未知数。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Systems, Inc. IOS and IOS XE unspecified -

II. Public POCs for CVE-2018-0131

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III. Intelligence Information for CVE-2018-0131

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Vendor Advisories for CVE-2018-0131 (3)

IV. Related Vulnerabilities

Same vendor: Cisco Systems, Inc.
Same weakness: CWE-326

V. Comments for CVE-2018-0131

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