iDefense Security Advisory 09.26.11 - Remote exploitation of a heap overflow vulnerability in Novell Inc.'s GroupWise could allow an attacker to execute arbitrary code with the privileges of the affected service. This vulnerability is present in the calendar processing code, which resides within the GroupWise Internet Agent (GWIA) process. The vulnerability occurs when parsing a malformed time zone description field (TZNAME). A heap based buffer overflow can be triggered by supplying an excessively long string when copying the time zone name. Novell GroupWise 8.0x up to (and including) 8.02HP2 are vulnerable.
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