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Cisco Bug: CSCum03680 - IOS XR hostname command should not be allowed wth just READ persmission on host-services

Last Modified

Feb 13, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

4.2.3.BASE 4.3.2.BASE 6.1.3.BASE

Description (partial)

Symptom:
A vulnerability in the Role Based Access Control for certain CLI commands for Cisco IOS XR Software 
could allow an authenticated, local attacker to modify device configuration information which should not
be allowed for the user's permission level.

The vulnerability is due to incomplete RBAC validation for certain CLI commands. An attacker could exploit 
this vulnerability by authenticating to the device and issuing specific CLI commands. An exploit could allow 
the attacker to  modify device configuration information which should not be allowed for the user's permission 
level.

Conditions:
User has only READ permissions on the ''host-services'' taskid.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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