CVE-2018-0102: Double Free
First published: Thu Jan 18 2018(Updated: )
A vulnerability in the Pong tool of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software attempts to free the same area of memory twice. An attacker could exploit this vulnerability by sending a pong request to an affected device from a location on the network that causes the pong reply packet to egress both a FabricPath port and a non-FabricPath port. An exploit could allow the attacker to cause a dual or quad supervisor virtual port-channel (vPC) to reload. This vulnerability affects the following products when running Cisco NX-OS Software Release 7.2(1)D(1), 7.2(2)D1(1), or 7.2(2)D1(2) with both the Pong and FabricPath features enabled and the FabricPath port is actively monitored via a SPAN session: Cisco Nexus 7000 Series Switches and Cisco Nexus 7700 Series Switches. Cisco Bug IDs: CSCuv98660.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Nx-os | =7.2\(1\)d\(1\) | |
| Cisco Nx-os | =7.2\(2\)d1\(1\) | |
| Cisco Nx-os | =7.2\(2\)d1\(2\) |
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Reference Links
- collector/nvd-index
- agent/type
- agent/softwarecombine
- agent/weakness
- agent/severity
- agent/first-publish-date
- agent/references
- agent/author
- agent/tags
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- vendor/cisco
- canonical/cisco nx-os
- version/cisco nx-os/7.2\(1\)d\(1\)
- version/cisco nx-os/7.2\(2\)d1\(1\)
- version/cisco nx-os/7.2\(2\)d1\(2\)