Detections
Analytics
Cisco ASA Software Cryptographic TLS and SSL Driver Denial of Service Vulnerability (cisco-sa-20190710-asa-ftd-dos)
high Nessus Plugin ID 133043
Language:
Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Adaptive Security Appliance Software is affected by a vulnerability in the cryptographic driver due to incomplete input validation of a Secure Sockets Layer (SSL) or Transport Layer Security (TLS) ingress packet header. An unauthenticated, remote attacker can exploit this, by sending a crafted TLS/SSL packet to an interface on the targeted device to cause the device to reboot unexpectedly.Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvp36425See Also
Plugin Details
Severity: High
ID: 133043
File Name: cisco-sa-20190710-asa-dos.nasl
Version: 1.9
Type: local
Family: CISCO
Published: 1/17/2020
Updated: 3/31/2023
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-2019-1873
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: 7/10/2019
Vulnerability Publication Date: 7/10/2019
Reference Information
CVE: CVE-2019-1873
BID: 109123