Cisco IOS/IOS XE IPv6 Snooping 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 labeled as problematic has been found in Cisco IOS and IOS XE. The impacted element is an unknown function of the component IPv6 Snooping. Such manipulation leads to input validation. This vulnerability is traded as CVE-2015-6278. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco IOS and IOS XE (Router Operating System). It has been rated as problematic. Affected by this issue is an unknown part of the component IPv6 Snooping. 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. CVE summarizes:

The IPv6 snooping functionality in the first-hop security subsystem in Cisco IOS 12.2, 15.0, 15.1, 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.2SE, 3.3SE, 3.3XO, 3.4SG, 3.5E, and 3.6E before 3.6.3E; 3.7E before 3.7.2E; 3.9S and 3.10S before 3.10.6S; 3.11S before 3.11.4S; 3.12S and 3.13S before 3.13.3S; and 3.14S before 3.14.2S does not properly implement the Control Plane Protection (aka CPPr) feature, which allows remote attackers to cause a denial of service (device reload) via a flood of ND packets, aka Bug ID CSCus19794.

The weakness was shared 09/28/2015 with Cisco (Website). The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2015-6278 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. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 86246 (Cisco IOS IPv6 Snooping DoS (cisco-sa-20150923-fhs)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43036 (Cisco IOS Software IPv6 First Hop Security Denial of Service Vulnerabilities (cisco-sa-20150923-fhs)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (86246), SecurityFocus (BID 76829†) and Vulnerability Center (SBV-52953†). The entry VDB-78075 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Cisco IOS 12.2 up to 15.5
  • Cisco IOS XE

Productinfo

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Vendor

Name

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: 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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Nessus ID: 86246
Nessus Name: Cisco IOS IPv6 Snooping DoS (cisco-sa-20150923-fhs)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco IOS and IOS XE Software IPv6 First Hop Security Denial of Service Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Timelineinfo

08/17/2015 🔍
09/23/2015 +37 days 🔍
09/23/2015 +0 days 🔍
09/24/2015 +1 days 🔍
09/27/2015 +3 days 🔍
09/28/2015 +1 days 🔍
09/28/2015 +0 days 🔍
06/19/2022 +2456 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: tools.cisco.com
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-6278 (🔍)
GCVE (CVE): GCVE-0-2015-6278
GCVE (VulDB): GCVE-100-78074
SecurityFocus: 76829 - Cisco IOS and IOS XE Software IPv6 Snooping Multiple Denial of Service Vulnerabilities
SecurityTracker: 1033647
Vulnerability Center: 52953 - [cisco-sa-20150923-fhs] Cisco IOS and IOS-XE Remote DoS due to Insufficient Control Plane Protection, High

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 09/28/2015 09:30
Updated: 06/19/2022 09:22
Changes: 09/28/2015 09:30 (57), 01/03/2018 09:55 (15), 06/19/2022 09:19 (3), 06/19/2022 09:22 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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