VAR-201507-0513
Vulnerability from variot - Updated: 2023-12-18 13:29The Local Packet Transport Services (LPTS) implementation in Cisco IOS XR 5.1.2, 5.1.3, 5.2.1, and 5.2.2 on ASR9k devices makes incorrect decisions about the opening of TCP and UDP ports during the processing of flow base entries, which allows remote attackers to cause a denial of service (resource consumption) by sending traffic to these ports continuously, aka Bug ID CSCur88273. Vendors have confirmed this vulnerability Bug ID CSCur88273 It is released as.By a third party TCP and UDP Service operation is disrupted by continuously sending traffic to the port. ( Resource consumption ) There is a possibility of being put into a state. Cisco IOS is the interconnected network operating system used on most Cisco system routers and network switches. Cisco IOS XR Software for ASR 9000 Series routers is prone to a denial-of-service vulnerability. An attacker can exploit this issue to cause a denial of service (DoS) condition. This issue is being tracked by Cisco Bug ID CSCur88273. The vulnerability stems from the fact that the program does not correctly handle the basic flow items, resulting in TCP and UDP ports being opened incorrectly. The following releases are affected: Cisco IOS XR Release 5.1.2, Release 5.1.3, Release 5.2.1, Release 5.2.2
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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