A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software performs incomplete input validation of option 82 information that it receives in DHCP Version 4 (DHCPv4) packets from DHCP relay agents. An attacker could exploit this vulnerability by sending a crafted DHCPv4 packet to an affected device. A successful exploit could allow the attacker to cause a heap overflow condition on the affected device, which will cause the device to reload and result in a DoS condition. Cisco Bug IDs: CSCvg62730.
References
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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History
27 Jan 2025, 20:01
Type | Values Removed | Values Added |
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References | () https://www.tenable.com/security/research/tra-2018-06 - Third Party Advisory | |
References | () https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 - Third Party Advisory, US Government Resource | |
References | () https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 - Third Party Advisory, US Government Resource | |
References | () https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dhcpr1 - Vendor Advisory | |
References | () http://www.securityfocus.com/bid/103552 - Third Party Advisory, VDB Entry | |
References | () http://www.securitytracker.com/id/1040591 - Third Party Advisory, VDB Entry |
Information
Published : 2018-03-28 22:29
Updated : 2025-01-27 20:01
NVD link : CVE-2018-0172
Mitre link : CVE-2018-0172
JSON object : View
Products Affected
rockwellautomation
- allen-bradley_stratix_5400
- allen-bradley_stratix_8300
- allen-bradley_armorstratix_5700
- allen-bradley_stratix_5700
- allen-bradley_stratix_8000
- allen-bradley_stratix_5410
cisco
- ios
- ios_xe
CWE
CWE-787
Out-of-bounds Write