CVE-2017-3864
First published: Wed Mar 22 2017(Updated: )
A vulnerability in the DHCP client implementation of Cisco IOS (12.2, 12.4, and 15.0 through 15.6) and Cisco IOS XE (3.3 through 3.7) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability occurs during the parsing of a crafted DHCP packet. An attacker could exploit this vulnerability by sending crafted DHCP packets to an affected device that is configured as a DHCP client. A successful exploit could allow the attacker to cause a reload of an affected device, resulting in a DoS condition. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS or IOS XE Software and using a specific DHCP client configuration. Cisco Bug IDs: CSCuu43892.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS | >=15.0<=15.6 | |
| Cisco IOS | =12.2 | |
| Cisco IOS | =12.4 | |
| Cisco IOS XE | >=3.3<=3.7 |
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Reference Links
- collector/nvd-index
- agent/severity
- agent/author
- agent/weakness
- agent/references
- agent/description
- agent/type
- agent/tags
- agent/event
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- vendor/cisco
- canonical/cisco ios
- version/cisco ios/15.0
- version/cisco ios/15.6
- version/cisco ios/12.2
- version/cisco ios/12.4
- canonical/cisco ios xe
- version/cisco ios xe/3.3
- version/cisco ios xe/3.7