The client in Novell GroupWise 8.0 before 8.0.3 HP2 and 2012 before SP1 HP1 allows remote attackers to execute arbitrary code or cause a denial of service (incorrect pointer dereference) via unspecified vectors.
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.