Cisco Wireless LAN Controller 7.4(1.1) TCP 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 identified as problematic has been detected in Cisco Wireless LAN Controller 7.4(1.1). Affected by this vulnerability is an unknown functionality of the component TCP Handler. The manipulation leads to input validation. This vulnerability is documented as CVE-2015-0756. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Cisco Wireless LAN Controller 7.4(1.1) (Wireless LAN Software). It has been rated as problematic. This issue affects some unknown functionality of the component TCP Handler. The manipulation with an unknown input leads to a input validation vulnerability. 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 availability. The summary by CVE is:

Cisco Wireless LAN Controller (WLC) devices with software 7.4(1.1) allow remote attackers to cause a denial of service (wireless-networking outage) via crafted TCP traffic on the local network, aka Bug ID CSCug67104.

The weakness was released 05/28/2015 with Cisco as 39041 as confirmed vulnerability alert (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2015-0756 since 01/07/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at SecurityFocus (BID 74863†), SecurityTracker (ID 1032419†) and Vulnerability Center (SBV-51595†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2015 🔍
05/27/2015 +140 days 🔍
05/27/2015 +0 days 🔍
05/28/2015 +1 days 🔍
05/28/2015 +0 days 🔍
05/28/2015 +0 days 🔍
05/29/2015 +1 days 🔍
07/26/2015 +58 days 🔍
08/03/2017 +739 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: 39041
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-0756 (🔍)
GCVE (CVE): GCVE-0-2015-0756
GCVE (VulDB): GCVE-100-75581
SecurityFocus: 74863 - Cisco Wireless LAN Controller CVE-2015-0756 Denial of Service Vulnerability
SecurityTracker: 1032419 - Cisco Wireless LAN Controller Input Validation Flaw Lets Remote Users Deny Service
Vulnerability Center: 51595 - Cisco Wireless LAN Controller (WLC) Remote DoS via a Crafted TCP Traffic, Medium

Entryinfo

Created: 05/28/2015 14:32
Updated: 08/03/2017 03:17
Changes: 05/28/2015 14:32 (55), 08/03/2017 03:17 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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