Cisco Firepower System Software 6.0.0/6.1.0/6.2.0/6.2.1 SSL Packet resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco Firepower System Software 6.0.0/6.1.0/6.2.0/6.2.1. Affected is an unknown function of the component SSL Packet Handler. Such manipulation leads to resource management. This vulnerability is listed as CVE-2017-3885. The attack may be performed from remote. There is no available exploit. Restrictive firewalling should be applied.

Detailsinfo

A vulnerability was found in Cisco Firepower System Software 6.0.0/6.1.0/6.2.0/6.2.1 (Firewall Software) and classified as problematic. Affected by this issue is an unknown function of the component SSL Packet Handler. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

A vulnerability in the detection engine reassembly of Secure Sockets Layer (SSL) packets for Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the Snort process consumes a high level of CPU resources. Affected Products: This vulnerability affects Cisco Firepower System Software running software releases 6.0.0, 6.1.0, 6.2.0, or 6.2.1 when the device is configured with an SSL policy that has at least one rule specifying traffic decryption. More Information: CSCvc58563. Known Affected Releases: 6.0.0 6.1.0 6.2.0 6.2.1.

The bug was discovered 04/05/2017. The weakness was presented 04/07/2017 as cisco-sa-20170405-cfpw as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2017-3885 since 12/21/2016. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 100423 (Cisco Firepower Detection Engine SSL Multiple DoS (cisco-sa-20170405-cfpw) (cisco-sa-20170405-cfpw1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.

Addressing this vulnerability is possible by firewalling . A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100423) and SecurityFocus (BID 97451†). See VDB-99430 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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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Nessus ID: 100423
Nessus Name: Cisco Firepower Detection Engine SSL Multiple DoS (cisco-sa-20170405-cfpw) (cisco-sa-20170405-cfpw1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco Firepower Detection Engine SSL Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/21/2016 🔍
04/05/2017 +105 days 🔍
04/05/2017 +0 days 🔍
04/05/2017 +0 days 🔍
04/07/2017 +2 days 🔍
04/07/2017 +0 days 🔍
04/08/2017 +1 days 🔍
05/25/2017 +47 days 🔍
11/26/2024 +2742 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170405-cfpw
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3885 (🔍)
GCVE (CVE): GCVE-0-2017-3885
GCVE (VulDB): GCVE-100-99428
SecurityFocus: 97451 - Cisco Firepower System Software CVE-2017-3885 Denial of Service Vulnerability
OSVDB: - CVE-2017-3885 - Cisco - Firepower System Software - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 04/08/2017 10:20
Updated: 11/26/2024 18:18
Changes: 04/08/2017 10:20 (79), 11/26/2024 18:18 (27)
Complete: 🔍
Cache ID: 216::103

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