Cisco Web Security Appliance 8.5.3-051 Proxy Cache resource management

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Cisco Web Security Appliance 8.5.3-051 and classified as problematic. Affected by this issue is some unknown functionality of the component Proxy Cache Handler. Performing a manipulation results in resource management. This vulnerability is reported as CVE-2015-6292. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Cisco Web Security Appliance 8.5.3-051 (Anti-Malware Software). This affects an unknown part of the component Proxy Cache Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability.

The weakness was disclosed 11/04/2015 with Cisco as cisco-sa-20151104-wsa1 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2015-6292 since 08/17/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86916 (Cisco Web Security Appliance Multiple Vulnerabilities), 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.

Upgrading 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 X-Force (107828), Tenable (86916), SecurityFocus (BID 77437†) and Vulnerability Center (SBV-54269†). The entries VDB-79048 and VDB-79049 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Anti-Malware Software

Vendor

Cisco

Name

Web Security Appliance

Version

8.5.3-051

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 86916
Nessus Name: Cisco Web Security Appliance Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/17/2015 🔍
11/04/2015 +79 days 🔍
11/04/2015 +0 days 🔍
11/04/2015 +0 days 🔍
11/05/2015 +1 days 🔍
11/06/2015 +1 days 🔍
11/06/2015 +0 days 🔍
11/10/2015 +4 days 🔍
11/18/2015 +8 days 🔍
06/26/2022 +2412 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20151104-wsa1
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-6292 (🔍)
GCVE (CVE): GCVE-0-2015-6292
GCVE (VulDB): GCVE-100-79047
X-Force: 107828 - Cisco Web Security Appliance proxy cache denial of service
SecurityFocus: 77437 - Cisco Web Security Appliance CVE-2015-6292 Denial of Service Vulnerability
SecurityTracker: 1034062
Vulnerability Center: 54269 - [cisco-sa-20151104-wsa1] Cisco AsyncOS on Web Security Appliance (WSA) Remote DoS via Multiple Proxy Connections, High

See also: 🔍

Entryinfo

Created: 11/05/2015 11:00
Updated: 06/26/2022 09:53
Changes: 11/05/2015 11:00 (61), 04/11/2018 11:34 (11), 06/26/2022 09:53 (4)
Complete: 🔍
Cache ID: 216:B84:103