Cisco ASA up to 8.4 Command Line Interface EpicBanana/JetPlow privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Cisco ASA up to 8.4. Impacted is an unknown function of the component Command Line Interface. Executing a manipulation can lead to privileges management (EpicBanana/JetPlow). This vulnerability is tracked as CVE-2016-6367. The attack is restricted to local execution. Moreover, an exploit is present. This vulnerability has a historic impact due to its background and reception. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Cisco ASA up to 8.4 (Firewall Software) and classified as critical. This vulnerability affects an unknown function of the component Command Line Interface. The manipulation with an unknown input leads to a privileges management vulnerability (EpicBanana/JetPlow). The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Cisco Adaptive Security Appliance (ASA) Software before 8.4(1) on ASA 5500, ASA 5500-X, PIX, and FWSM devices allows local users to gain privileges via invalid CLI commands, aka Bug ID CSCtu74257 or EPICBANANA.

The weakness was disclosed 08/17/2016 with Shadow Brokers as cisco-sa-20160817-asa-cli / CSCtu74257 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. The advisory contains:

On August 15, 2016, Cisco was alerted to information posted online by the Shadow Brokers group, which claimed to possess disclosures from the Equation Group. The posted materials included exploits for firewall products from multiple vendors. The Cisco products mentioned were the PIX and ASA firewalls.
This vulnerability was named CVE-2016-6367. The exploitation appears to be easy. The attack needs to be approached locally. The successful exploitation requires a single authentication. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/25/2024). The MITRE ATT&CK project declares the attack technique as T1068. This vulnerability has a historic impact due to its background and reception.

It is possible to download the exploit at exploit-db.com. It is declared as attacked. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 93347 (Cisco ASA Software CLI Invalid Command Invocation (cisco-sa-20160817-asa-cli) (EPICBANANA)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316026 (Cisco ASA CLI Remote Code Execution Vulnerability (cisco-sa-20160817-asa-cli) - Shadow Brokers (EPICBANANA, JETPLOW)). This issue was added on 05/24/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/14/2022:

Apply updates per vendor instructions.

Upgrading to version 8.4(1) eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (40271), Zero-Day.cz (268), Tenable (93347) and SecurityTracker (ID 1036636†). The entries VDB-90834 and VDB-90833 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: EpicBanana/JetPlow
Class: Privileges management / EpicBanana/JetPlow
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93347
Nessus Name: Cisco ASA Software CLI Invalid Command Invocation (cisco-sa-20160817-asa-cli) (EPICBANANA)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 800316
OpenVAS Name: Cisco Adaptive Security Appliance CLI Remote Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍
Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ASA 8.4(1)

Timelineinfo

07/26/2016 🔍
08/15/2016 +20 days 🔍
08/17/2016 +2 days 🔍
08/17/2016 +0 days 🔍
08/18/2016 +1 days 🔍
08/18/2016 +0 days 🔍
09/25/2024 +2960 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20160817-asa-cli / CSCtu74257
Organization: Shadow Brokers
Status: Confirmed

CVE: CVE-2016-6367 (🔍)
GCVE (CVE): GCVE-0-2016-6367
GCVE (VulDB): GCVE-100-90832
SecurityFocus: 92520
SecurityTracker: 1036636 - Cisco ASA Command Line Interface Bug Lets Local Users Deny Service and Gain Elevated Privileges

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/18/2016 10:27
Updated: 09/25/2024 03:09
Changes: 08/18/2016 10:27 (55), 07/14/2017 10:09 (20), 09/14/2022 07:28 (4), 09/14/2022 07:34 (10), 04/26/2024 11:59 (28), 07/03/2024 00:47 (1), 07/07/2024 14:14 (2), 09/09/2024 22:30 (1), 09/25/2024 03:09 (2)
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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