CVE-2017-6655: Buffer Overflow
First published: Tue Jun 13 2017(Updated: )
A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when an FCoE-related process unexpectedly reloads. This vulnerability affects Cisco NX-OS Software on the following Cisco devices when they are configured for FCoE: Multilayer Director Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches. More Information: CSCvc91729. Known Affected Releases: 8.3(0)CV(0.833). Known Fixed Releases: 8.3(0)ISH(0.62) 8.3(0)CV(0.944) 8.1(1) 8.1(0.8)S0 7.3(2)D1(0.47).
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco MDS 9000 NX-OS | =7.3\(1\)d1\(1\) | |
| Cisco NX-OS for Nexus 5500 Platform Switches | =7.3\(1\)n1\(1\) | |
| Cisco NX-OS for nexus 5600 platform switches | =7.3\(1\)n1\(1\) | |
| Cisco NX-OS for Nexus 7700 Series Switches | =8.0\(1\)\(ed\) | |
| Cisco NX-OS | =8.0\(1\)s2 | |
| Cisco NX-OS | =8.3\(0\)cv\(0.833\) |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-6655?
CVE-2017-6655 is rated as a medium severity vulnerability that can result in a denial of service (DoS) condition.
How do I fix CVE-2017-6655?
To remediate CVE-2017-6655, upgrade Cisco NX-OS Software to the latest version that is not affected by this vulnerability.
Who is affected by CVE-2017-6655?
CVE-2017-6655 affects several versions of Cisco NX-OS Software running on specific hardware including MDS 9000 and Nexus platforms.
What type of attack does CVE-2017-6655 enable?
CVE-2017-6655 allows an unauthenticated, adjacent attacker to cause a denial of service (DoS) on affected systems.
Is CVE-2017-6655 remote or local?
CVE-2017-6655 is considered an adjacent attack, which means the attacker must be on the same local network segment.
- agent/weakness
- agent/type
- agent/references
- agent/severity
- agent/author
- agent/event
- agent/description
- agent/tags
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco mds 9000 nx-os
- version/cisco mds 9000 nx-os/7.3\(1\)d1\(1\)
- canonical/cisco nx-os for nexus 5500 platform switches
- version/cisco nx-os for nexus 5500 platform switches/7.3\(1\)n1\(1\)
- canonical/cisco nx-os for nexus 5600 platform switches
- version/cisco nx-os for nexus 5600 platform switches/7.3\(1\)n1\(1\)
- canonical/cisco nx-os for nexus 7700 series switches
- version/cisco nx-os for nexus 7700 series switches/8.0\(1\)\(ed\)
- canonical/cisco nx-os
- version/cisco nx-os/8.0\(1\)s2
- version/cisco nx-os/8.3\(0\)cv\(0.833\)