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EMC NetWorker 'nsrexecd' RPC Packet Denial of Service Vulnerability

Information

Severity

Severity

High

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Wont Fix

Created

Created

10 years ago

Modified

Modified

3 years ago

Summary

This host is running EMC NetWorker and is prone to denial of service vulnerability.

Insight

Insight

The flaw is due to an error in the NetWorker Remote Exec Service (nsrexecd.exe), which fails to compute hash value when processing malformed RPC packets. Which could be exploited by remote attackers to crash an affected server which listens on some default ports in range 8000 to 9000 used for the RPC programs 390435 and 390436.

Affected Software

Affected Software

EMC NetWorker version 7.6 SP3 and prior

Solution

Solution

No known solution was made available for at least one year since the disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.