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Vigil@nce: EMC NetWorker, denial of service

October 2008 by Vigil@nce

An attacker can connect to the RPC interface of EMC NetWorker products in order to create a memory leak.

- Gravity: 2/4
- Consequences: denial of service of computer, denial of service of service
- Provenance: intranet client
- Means of attack: no proof of concept, no attack
- Ability of attacker: expert (4/4)
- Confidence: unique source (2/5)
- Diffusion of the vulnerable configuration: high (3/3) Creation date: 22/10/2008

IMPACTED PRODUCTS

- EMC NetWorker

DESCRIPTION

Following products are reachable via a RPC interface handled with the nsrexecd.exe service:
- NetWorker Client
- NetWorker Module
- NetWorker PowerSnap
- NetWorker Server
- NetWorker Storage Node

An attacker can connect to this interface and call a procedure with a long parameter. This procedure thus allocates a lot of memory, which is never freed.

The attacker can therefore connect several times in order to force the usage of all system resources.

CHARACTERISTICS

- Identifiers: BID-31866, FGA-2008-23, VIGILANCE-VUL-8195
- Url: http://vigilance.aql.fr/vulnerability/8195




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