Cisco Virtual Topology System 2.0(0)/2.0(1) TCP Packet resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Cisco Virtual Topology System 2.0(0)/2.0(1). This issue affects some unknown processing of the component TCP Packet Handler. Such manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2015-6377. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Cisco Virtual Topology System 2.0(0)/2.0(1). Affected by this issue is an unknown part of the component TCP Packet Handler. 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. CVE summarizes:

Cisco Virtual Topology System (VTS) 2.0(0) and 2.0(1) allows remote attackers to cause a denial of service (CPU and memory consumption, and TCP port outage) via a flood of crafted TCP packets, aka Bug ID CSCux13379.

The weakness was disclosed 11/24/2015 as CSCux13379 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2015-6377 since 08/17/2015. 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.

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

The vulnerability is also documented in the databases at SecurityFocus (BID 77687†) and Vulnerability Center (SBV-54634†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

08/17/2015 🔍
11/23/2015 +98 days 🔍
11/23/2015 +0 days 🔍
11/24/2015 +1 days 🔍
11/24/2015 +0 days 🔍
11/26/2015 +2 days 🔍
05/08/2018 +894 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCux13379
Status: Confirmed

CVE: CVE-2015-6377 (🔍)
GCVE (CVE): GCVE-0-2015-6377
GCVE (VulDB): GCVE-100-79292
SecurityFocus: 77687
Vulnerability Center: 54634 - [cisco-sa-20151123-vts] Cisco Virtual Topology System (VTS) Remote DoS via a Flood of Crafted TCP Packets, Medium

Entryinfo

Created: 11/24/2015 09:21
Updated: 05/08/2018 09:08
Changes: 11/24/2015 09:21 (48), 05/08/2018 09:08 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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