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CVE-2011-2662

Status Candidate

Overview

Integer signedness error in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to execute arbitrary code via a negative BYWEEKNO property in a weekly RRULE variable in a VCALENDAR attachment in an e-mail message.

Related Files

iDefense Security Advisory 09.26.11 - Novell Groupwise Memory Corruption
Posted Sep 28, 2011
Authored by iDefense Labs | Site idefense.com

iDefense Security Advisory 09.26.11 - Remote exploitation of a memory corruption 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 calendar recurrence (RRULE) that recurs weekly. Specifically, by using a negative integer for the BYWEEKNO property, it is possible to trigger a write operation beyond the bounds of an allocated heap buffer. This can lead to the corruption of memory, and the execution of arbitrary code.

tags | advisory, remote, arbitrary
advisories | CVE-2011-2662
SHA-256 | c3a21b221a5ca43b424d4c87ecdc5132c8fd5e83be4966ed52bb847af74da8e6
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