CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.7	$5k-$25k	0.00

A vulnerability was found in Cisco Web Security Appliance 8.0.7 (Anti-Malware Software). It has been classified as problematic. Affected is an unknown function of the component TCP Connection Close Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

Cisco Web Security Appliance (WSA) 8.0.7 allows remote HTTP servers to cause a denial of service (memory consumption from stale TCP connections) via crafted responses, aka Bug ID CSCuw10426.

The weakness was presented 09/09/2015 with Cisco as 40896 / CSCuw10426 as confirmed vulnerability alert (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2015-6290 since 08/17/2015. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 12/19/2017).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See 77657 for similar entry.

Productinfo

Type

• Anti-Malware Software

Vendor

• Cisco

Name

• Web Security Appliance

Version

• 8.0.7

License

• commercial

Support

• end of life (old version)

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

OpenVAS ID: 803167
OpenVAS Name: Cisco Web Security Appliance Malformed HTTP Response Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2015 🔍
09/09/2015 +23 days 🔍
09/09/2015 +0 days 🔍
09/09/2015 +0 days 🔍
09/10/2015 +1 days 🔍
09/10/2015 +0 days 🔍
09/11/2015 +1 days 🔍
09/13/2015 +2 days 🔍
12/19/2017 +828 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: 40896 / CSCuw10426
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-6290 (🔍)
SecurityTracker: 1033530
Vulnerability Center: 52562 - Cisco Web Security Appliance (WSA) Remote DoS due to Improper Handling of Malformed HTTP Server Responses, Medium
SecurityFocus: 76687 - Cisco Web Security Appliance CVE-2015-6290 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 09/11/2015 10:11
Updated: 12/19/2017 08:18
Changes: 09/11/2015 10:11 (56), 12/19/2017 08:18 (15)
Complete: 🔍

Discussion

Do you know our Splunk app?

Download it now for free!