VDB-77657 · CVE-2015-6287 · BID 76677

Cisco Web Security Appliance 8.0.6-078/8.0.6-115 DNS Processer resource management

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

Summaryinfo

A vulnerability classified as problematic has been found in Cisco Web Security Appliance 8.0.6-078/8.0.6-115. This affects an unknown function of the component DNS Processer. The manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2015-6287. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Cisco Web Security Appliance 8.0.6-078/8.0.6-115 (Anti-Malware Software) and classified as problematic. This issue affects some unknown processing of the component DNS Processer. 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. The summary by CVE is:

Cisco Web Security Appliance (WSA) 8.0.6-078 and 8.0.6-115 allows remote attackers to cause a denial of service (service outage) via a flood of TCP traffic that leads to DNS resolution delays, aka Bug IDs CSCur32005 and CSCur07907.

The weakness was disclosed 09/09/2015 with Cisco as 40846 / CSCur32005/CSCur07907 as confirmed vulnerability alert (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2015-6287 since 08/17/2015. 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 76677†), SecurityTracker (ID 1033529†) and Vulnerability Center (SBV-52564†). The entry VDB-77658 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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: 5.1

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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OpenVAS ID: 803167
OpenVAS Name: Cisco Web Security Appliance DNS Resolution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
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 🔍
09/10/2015 +0 days 🔍
09/13/2015 +3 days 🔍
12/09/2017 +818 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: 40846 / CSCur32005/CSCur07907
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-6287 (🔍)
GCVE (CVE): GCVE-0-2015-6287
GCVE (VulDB): GCVE-100-77657
SecurityFocus: 76677 - Cisco Web Security Appliance CVE-2015-6287 Denial of Service Vulnerability
SecurityTracker: 1033529
Vulnerability Center: 52564 - Cisco Web Security Appliance (WSA) Remote DoS due to DNS Name Resolution Failure, Medium

See also: 🔍

Entryinfo

Created: 09/10/2015 13:14
Updated: 12/09/2017 12:08
Changes: 09/10/2015 13:14 (56), 12/09/2017 12:08 (14)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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