Detections
Analytics
Cisco Adaptive Security Appliance Software IKEv1 DoS (cisco-sa-20191002-asa-ftd-ikev1-dos)
high Nessus Plugin ID 133841
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version the Cisco Adaptive Security Appliance (ASA) Software running on the remote device is affected by a denial of service (DoS) vulnerability in the Internet Key Exchange version 1 (IKEv1) feature of Cisco Adaptive Security Appliance (ASA) Software. The vulnerability is due to improper management of system memory when handling IKEv1 traffic. An unauthenticated, remote attacker can exploit this, via malicious IKEv1 traffic, to cause a reload of the affected device.Please see the included Cisco BID and Cisco Security Advisory for more information.
Solution
Upgrade to a fixed version referenced in the Cisco advisory.See Also
Plugin Details
Severity: High
ID: 133841
File Name: cisco-sa-20191002-asa-ftd-ikev1-dos-asa.nasl
Version: 1.6
Type: local
Family: CISCO
Published: 2/20/2020
Updated: 4/27/2021
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2019-15256
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:cisco:adaptive_security_appliance_software
Required KB Items: Host/Cisco/ASA, Host/Cisco/ASA/model
Exploit Ease: No known exploits are available
Patch Publication Date: 10/2/2019
Vulnerability Publication Date: 10/2/2019
Reference Information
CVE: CVE-2019-15256