Purgalicious VBA: Macro Obfuscation With VBA Purging

Malicious Office documents remain a favorite technique for every type of threat actor, from red teamers to FIN groups to APTs. In this blog post, we will discuss "VBA Purging", a technique we have increasingly observed in the wild and that was first publicly documented by Didier Stevens in Februa...

Security Bulletin: IBM WebSphere Dashboard Framework is affected by multiple security vulnerabilities in Apache POI

Summary Apache POI, which is bundled with IBM WebSphere Dashboard Framework, is vulnerable to denial of service attacks and could allow a remote attacker to obtain sensitive information. Vulnerability Details IBM WebSphere Dashboard Framework WDF bundles a copy of Apache POI, which is used by the...

FreeXL BIFF Dimension Marker Code Execution Vulnerability

Summary An exploitable heap-based buffer overflow vulnerability exists in the readlegacybiff function of FreeXL 1.0.3. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability. Tested...

openSUSE Security Update : jakarta-poi (openSUSE-SU-2012:0654-1)

Specially crafted CDF/CFBF files could trigger an out of memory condition %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE Security Update openSUSE-2012-292. The text description of this plugin is C SUSE LLC...

Format string

The UnhandledDataStructure function in hwpf/model/UnhandledDataStructure.java in Apache POI 3.8 and earlier allows remote attackers to cause a denial of service OutOfMemoryError exception and possibly JVM destabilization via a crafted length value in a Channel Definition Format CDF or Compound Fi...

CVE-2012-0213

The CVE-2012-0213 vulnerability resides in Apache POI 3.8 and earlier, specifically UnhandledDataStructure.java, where crafted CDF/CFBF data can cause a denial of service (OutOfMemoryError). IBM and vendor advisories consistently tie this CVE to Apache POI loaded in IBM QRadar SIEM and related IB...