Cisco IOS/IOS XE IPv6 Neighbor Discovery IPv6 Router Solicitation race condition

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS and IOS XE. It has been rated as problematic. This vulnerability affects unknown code of the component IPv6 Neighbor Discovery. Performing a manipulation as part of IPv6 Router Solicitation results in race condition. This vulnerability is reported as CVE-2015-0632. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Cisco IOS and IOS XE (Router Operating System) (version unknown). This affects an unknown function of the component IPv6 Neighbor Discovery. The manipulation as part of a IPv6 Router Solicitation leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on availability. The summary by CVE is:

Race condition in the Neighbor Discovery (ND) protocol implementation in Cisco IOS and IOS XE allows remote attackers to cause a denial of service via a flood of Router Solicitation messages on the local network, aka Bug ID CSCuo67770.

The weakness was disclosed 02/26/2015 with Cisco as CSCuo67770 as confirmed security notice (Website). The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2015-0632 since 01/07/2015. The exploitability is told to be difficult. The attack needs to approached within the local network. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (101216), SecurityFocus (BID 72797†), SecurityTracker (ID 1031816†) and Vulnerability Center (SBV-48835†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2015 🔍
02/26/2015 +50 days 🔍
02/26/2015 +0 days 🔍
02/26/2015 +0 days 🔍
02/26/2015 +0 days 🔍
02/27/2015 +1 days 🔍
02/27/2015 +0 days 🔍
03/02/2015 +3 days 🔍
06/21/2017 +842 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuo67770
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-0632 (🔍)
GCVE (CVE): GCVE-0-2015-0632
GCVE (VulDB): GCVE-100-69237
X-Force: 101216 - Cisco IOS and IOS-XE IPv6 Neighbor Discovery denial of service
SecurityFocus: 72797 - Cisco IOS and IOS XE Software CVE-2015-0632 Denial of Service Vulnerability
SecurityTracker: 1031816 - Cisco IOS/IOS-XE IPv6 Neighbor Discovery Bug Lets Remote Users Deny Service
Vulnerability Center: 48835 - Cisco IOX and IOS-XE Remote DoS in IPv6 Neighbor Discovery, Medium

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

Entryinfo

Created: 02/27/2015 09:57
Updated: 06/21/2017 11:00
Changes: 02/27/2015 09:57 (67), 06/21/2017 11:00 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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