CVE-2017-3864
Published Mar 22, 2017
Last updated 4 years ago
Overview
- Description
- 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.
- Source
- ykramarz@cisco.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.6
- Impact score
- 4
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 7.8
- Impact score
- 6.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
- nvd@nist.gov
- NVD-CWE-noinfo
- ykramarz@cisco.com
- CWE-399
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "650EB42C-D85F-482B-972D-7DCAC210DC48",
"versionEndIncluding": "15.6",
"versionStartIncluding": "15.0"
},
{
"criteria": "cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E4BC49F2-3DCB-45F0-9030-13F6415EE178"
},
{
"criteria": "cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9D4D8C72-E7BB-40BF-9AE5-622794D63E09"
},
{
"criteria": "cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AB7DA496-D86E-4662-A8F7-3D3B898A1B46",
"versionEndIncluding": "3.7",
"versionStartIncluding": "3.3"
}
],
"operator": "OR"
}
]
}
]