var-201309-0443
Vulnerability from variot
Cisco IOS 12.2 through 12.4 and 15.0 through 15.3, and IOS XE 2.1 through 3.9, allows remote attackers to cause a denial of service (device reload) via crafted DHCP packets that are processed locally by a (1) server or (2) relay agent, aka Bug ID CSCug31561. Cisco IOS and IOS XE There is a service disruption ( Device reload ) There are vulnerabilities that are put into a state. Cisco IOS is the interconnected network operating system used on most Cisco system routers and network switches. Cisco IOS has a security hole in the DHCP implementation. An unauthenticated remote attacker exploiting this vulnerability could result in a denial of service. Attackers can exploit this issue to cause a reload of the affected devices, denying service to legitimate users. This issue is being tracked by Cisco Bug ID CSCug31561. The vulnerability is caused by the program not correctly parsing DHCP packets
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.