CVE Vulnerability

CVE-2018-0131

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.9 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180813-rsa-nonce Vendor Advisory
http://www.securityfocus.com/bid/105074 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041539 VDB Entry Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:cisco:ios:15.5(3)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:15.5(3)s:*:*:*:*:*:*:*
Information

Published : 2018-08-14 04:29

Updated : 2019-10-09 11:31

NVD link : CVE-2018-0131

Mitre link : CVE-2018-0131

Products Affected
No products.
CWE
CWE-326

Inadequate Encryption Strength