Cisco Firepower Threat Defense Detection Engine SSL Connection protection mechanism

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $5k-$25k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Cisco Firepower Threat Defense. This affects an unknown function of the component Detection Engine. The manipulation as part of SSL Connection results in protection mechanism. This vulnerability is known as CVE-2018-0297. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability, which was classified as critical, was found in Cisco Firepower Threat Defense (Firewall Software) (affected version not known). Affected is some unknown functionality of the component Detection Engine. The manipulation as part of a SSL Connection leads to a protection mechanism vulnerability. CWE is classifying the issue as CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
A vulnerability in the detection engine of Cisco Firepower Threat Defense software could allow an unauthenticated, remote attacker to bypass a configured Secure Sockets Layer (SSL) Access Control (AC) policy to block SSL traffic. The vulnerability is due to the incorrect handling of TCP SSL packets received out of order. An attacker could exploit this vulnerability by sending a crafted SSL connection through the affected device. A successful exploit could allow the attacker to bypass a configured SSL AC policy to block SSL traffic. Cisco Bug IDs: CSCvg09316.
The bug was discovered 05/16/2018. The weakness was published 05/17/2018 with Cisco as cisco-sa-20180516-firepwr-pb as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2018-0297 since 11/27/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/06/2020).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104197†). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Protection mechanismCWE: CWE-693
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
Timeline
11/27/2017 🔍05/16/2018 🔍
05/16/2018 🔍
05/16/2018 🔍
05/17/2018 🔍
05/17/2018 🔍
02/06/2020 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20180516-firepwr-pb
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-0297 (🔍)
GCVE (CVE): GCVE-0-2018-0297
GCVE (VulDB): GCVE-100-117840
SecurityFocus: 104197 - Cisco Firepower Threat Defense Software CVE-2018-0297 Remote Security Bypass Vulnerability
Entry
Created: 05/17/2018 12:35Updated: 02/06/2020 10:18
Changes: 05/17/2018 12:35 (60), 02/06/2020 10:18 (5)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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