var-201304-0269
Vulnerability from variot
Cisco IOS XE 3.4 before 3.4.4S, 3.5, and 3.6 on 1000 series Aggregation Services Routers (ASR) does not properly implement the Cisco Multicast Leaf Recycle Elimination (MLRE) feature, which allows remote attackers to cause a denial of service (card reload) via fragmented IPv6 multicast packets, aka Bug ID CSCtz97563. Cisco IOS is the interconnected network operating system used on most Cisco system routers and network switches. A security vulnerability exists in Cisco IOS XE software that allows unauthenticated remote attackers to conduct denial of service attacks. This vulnerability is triggered by traffic that passes through or is targeted to the affected device. Successful exploits may allow an attackers to cause a reload of the affected devices, denying service to legitimate users. This issue is being tracked by Cisco Bug IDs CSCtz97563 and CSCub34945
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Cisco IOS is the interconnected network operating system used on most Cisco system routers and network switches. A security vulnerability exists in Cisco IOS XE software that allows unauthenticated remote attackers to conduct denial of service attacks. 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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.