CVE-2014-0677: Input Validation

Published Jan 22, 2014

Updated

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.

Affected Software

1 affected component

Cisco NX-OS

Event History

Jan 22, 2014

CVE Published

via MITRE·09:00 PM

Data Sourced

via MITRE·09:00 PM

Description

Data Sourced

via NVD·09:55 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What traffic must an attacker send to exploit this issue?

An attacker must send LDP discovery traffic containing malformed Hello messages. The resulting impact is a temporary outage of the LDP session.

Does exploitation require authentication or prior access?

No. The provided vector identifies the issue as network-accessible with low attack complexity and no authentication requirement.

CVSS Score

5.0Medium

Medium Severity

AV:N/AC:L/Au:N/C:N/I:N/A:P

Security Metrics

Risk Score26

Severitymedium(5)

CWE

Timeline

PublishedJan 22, 2014

Updated

References

Company

Resources

Contact

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Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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