VDB-91472 · CVE-2016-6396 · BID 92826

Cisco FireSIGHT/Firepower Management Center up to 6.0 Malware Detection HTTP Header Evasion input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco FireSIGHT and Firepower Management Center up to 6.0. The impacted element is an unknown function of the component Malware Detection. Such manipulation as part of HTTP Header leads to input validation (Evasion). This vulnerability is uniquely identified as CVE-2016-6396. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco FireSIGHT and Firepower Management Center up to 6.0 (Firewall Software) and classified as critical. Affected by this issue is an unknown part of the component Malware Detection. The manipulation as part of a HTTP Header leads to a input validation vulnerability (Evasion). Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Cisco Firepower Management Center before 6.1 and FireSIGHT System Software before 6.1, when certain malware blocking options are enabled, allow remote attackers to bypass malware detection via crafted fields in HTTP headers, aka Bug ID CSCuz44482.

The weakness was disclosed 09/07/2016 with Cisco as cisco-sa-20160907-fsss1 / CSCuz44482 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. The public release has been coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2016-6396 since 07/26/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 6.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 92826†) and SecurityTracker (ID 1036756†). The entries VDB-91473 and VDB-91471 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: Evasion
Class: Input validation / Evasion
CWE: CWE-20
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: 103403
OpenVAS Name: Cisco FireSIGHT System Software Malware Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FireSIGHT/Firepower Management Center 6.1

Timelineinfo

07/26/2016 🔍
09/07/2016 +43 days 🔍
09/07/2016 +0 days 🔍
09/07/2016 +0 days 🔍
09/09/2016 +2 days 🔍
09/11/2016 +2 days 🔍
09/12/2016 +1 days 🔍
04/14/2019 +944 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20160907-fsss1 / CSCuz44482
Organization: Cisco
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2016-6396 (🔍)
GCVE (CVE): GCVE-0-2016-6396
GCVE (VulDB): GCVE-100-91472
SecurityFocus: 92826 - Cisco Firepower Management Center and FireSIGHT System Software Security Bypass Vulnerability
SecurityTracker: 1036756

See also: 🔍

Entryinfo

Created: 09/11/2016 19:35
Updated: 04/14/2019 16:19
Changes: 09/11/2016 19:35 (66), 04/14/2019 16:19 (12)
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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