Cisco NX-OS Label Distribution Protocol Hello Message input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco NX-OS. Affected is an unknown function of the component Label Distribution Protocol Handler. This manipulation as part of Hello Message causes input validation. This vulnerability is registered as CVE-2014-0677. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in Cisco NX-OS (Router Operating System) (affected version unknown) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Label Distribution Protocol Handler. The manipulation as part of a Hello Message leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

The Label Distribution Protocol (LDP) functionality in Cisco NX-OS allows remote attackers to cause a denial of service (temporary LDP session outage) via LDP discovery traffic containing malformed Hello messages, aka Bug ID CSCul88851.

The weakness was published 01/22/2014 with Cisco as CSCul88851 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2014-0677 since 01/02/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (90623), SecurityFocus (BID 65074†), OSVDB (102368†), Secunia (SA56611†) and Vulnerability Center (SBV-43158†). Additional details are provided at tools.cisco.com. Similar entry is available at VDB-12054. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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

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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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2014 🔍
01/22/2014 +20 days 🔍
01/22/2014 +0 days 🔍
01/22/2014 +0 days 🔍
01/22/2014 +0 days 🔍
01/23/2014 +1 days 🔍
01/24/2014 +1 days 🔍
02/05/2014 +12 days 🔍
06/08/2021 +2680 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCul88851
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-0677 (🔍)
GCVE (CVE): GCVE-0-2014-0677
GCVE (VulDB): GCVE-100-12055
X-Force: 90623 - Cisco NX-OS Label Distribution Protocol denial of service, Medium Risk
SecurityFocus: 65074 - Cisco NX-OS Label Distribution Protocol Message Remote Denial of Service Vulnerability
Secunia: 56611 - Cisco NX-OS Label Distribution Protocol Denial of Service Vulnerability, Less Critical
OSVDB: 102368
SecurityTracker: 1029691
Vulnerability Center: 43158 - Cisco NX-OS Remote DoS Vulnerability doe to an Error in the Label Distribution Protocol, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/24/2014 10:32
Updated: 06/08/2021 15:34
Changes: 01/24/2014 10:32 (68), 05/20/2017 10:25 (5), 06/08/2021 15:34 (3)
Complete: 🔍
Cache ID: 216:CD8:103

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