Cisco ASA BGP Bidirectional Forwarding Detection access control

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.6 | $5k-$25k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Cisco ASA. Impacted is an unknown function of the component BGP Bidirectional Forwarding Detection. This manipulation causes access control. This vulnerability is handled as CVE-2017-3867. The attack can be initiated remotely. There is not any exploit available. It is advisable to implement restrictive firewalling. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Details
A vulnerability classified as critical was found in Cisco ASA (Firewall Software) (affected version not known). Affected by this vulnerability is some unknown functionality of the component BGP Bidirectional Forwarding Detection. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect integrity.
The bug was discovered 03/15/2017. The weakness was released 03/15/2017 with Cisco as cisco-sa-20170315-asa / CSCvc68229 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2017-3867 since 12/21/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/28/2024). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 316094 (Cisco Adaptive Security Appliance BGP Bidirectional Forwarding Detection ACL Bypass Vulnerability (cisco-sa-20170315-asa)).
Proper firewalling of Port 3784-3785 is able to address this issue. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at SecurityFocus (BID 96926†) and SecurityTracker (ID 1038051†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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: 5.6VulDB Meta Temp Score: 5.6
VulDB Base Score: 5.8
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Cisco): 5.8
Vendor Vector (Cisco): 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
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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OpenVAS ID: 800316
OpenVAS Name: Cisco Adaptive Security Appliance BGP Bidirectional Forwarding Detection ACL Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: FirewallStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Firewalling: 🔍
Timeline
12/21/2016 🔍03/15/2017 🔍
03/15/2017 🔍
03/15/2017 🔍
03/15/2017 🔍
03/15/2017 🔍
03/16/2017 🔍
03/17/2017 🔍
08/28/2024 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20170315-asa / CSCvc68229
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-3867 (🔍)
GCVE (CVE): GCVE-0-2017-3867
GCVE (VulDB): GCVE-100-98191
SecurityFocus: 96926 - Cisco Adaptive Security Appliance Software CVE-2017-3867 Security Bypass Vulnerability
OSVDB: - CVE-2017-3867 - Cisco - Adaptive Security Appliance - Security Bypass Issue
SecurityTracker: 1038051
Entry
Created: 03/16/2017 03:16 PMUpdated: 08/28/2024 06:14 AM
Changes: 03/16/2017 03:16 PM (77), 09/09/2020 12:11 PM (7), 08/28/2024 06:14 AM (18)
Complete: 🔍
Cache ID: 244:A88:40
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