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CVE-2011-0333

Status Candidate

Overview

Heap-based buffer overflow in the NgwiCalVTimeZoneBody::ParseSelf function in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to execute arbitrary code via a crafted TZNAME variable in a VCALENDAR attachment in an e-mail message, related to an "integer truncation error."

Related Files

iDefense Security Advisory 09.26.11 - Novell Heap Overflow
Posted Sep 28, 2011
Authored by iDefense Labs | Site idefense.com

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.

tags | advisory, remote, overflow, arbitrary
advisories | CVE-2011-0333
SHA-256 | e41ab71e11203562d3548c254ffc04693eed7151c500e97d4f2b72313daa62d2
Novell GroupWise Internet Agent TZNAME Parsing
Posted Sep 27, 2011
Authored by Carsten Eiram | Site secunia.com

Secunia Research has discovered a vulnerability in Novell GroupWise, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused by an integer truncation error in NgwiCalVTimeZoneBody::ParseSelf() within gwwww1.dll when GroupWise Internet Agent parses "TZNAME" variables in VCALENDAR data. This can be exploited to cause a heap-based buffer overflow via a specially crafted e-mail containing an overly long "TZNAME" property value. Successful exploitation may allow execution of arbitrary code.

tags | advisory, overflow, arbitrary
advisories | CVE-2011-0333
SHA-256 | 098e587acb10c0083b88ba844ed01cfbf1ec6d61bdeb69e7e6a4f2b9e4413126
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