var-201403-0208
Vulnerability from variot
The IGMP implementation on Cisco Wireless LAN Controller (WLC) devices 4.x, 5.x, 6.x, 7.0 before 7.0.250.0, 7.1, 7.2, and 7.3, when IGMPv3 Snooping is enabled, allows remote attackers to cause a denial of service (memory over-read and device restart) via a crafted field in an IGMPv3 message, aka Bug ID CSCuh33240. A security vulnerability exists in the Cisco Wireless LAN Controller IGMP processing subsystem. The attacker can inject malicious IGMPv3 messages into the network monitored by the WLC because the specific fields in the specially crafted IGMP message type are not properly verified. The IGMP subsystem can process messages. Triggering memory out-of-bounds reads can overload the device and cause a denial of service attack. This issue is being tracked by Cisco Bug ID CSCuh33240. The vulnerability is caused by the program not validating special fields in the IGMP message type. The following versions are affected: Cisco Wireless LAN Controller (WLC) 4.x, 5.x, 6.x, 7.0 prior to 7.0.250.0, 7.1, 7.2, 7.3
Show details on source website{
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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.