New Windows RAT Evades Detection for Weeks Using Corrupted DOS and PE Headers

Cybersecurity researchers have taken the wraps off an unusual cyber attack that leveraged malware with corrupted DOS and PE headers, according to new findings from Fortinet. The DOS Disk Operating System and PE Portable Executable headers are essential parts of a Windows PE file, providing...

The vulnerability of the Thunderbird email client, which exists due to insufficient validation of input data, allows attackers to trigger a service failure.

The vulnerability of the Thunderbird email client exists due to insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor, operating remotely, to cause service failures due to corrupted headers...

Apache 2.0.x < 2.0.64 Multiple Vulnerabilities

According to its banner, the version of Apache 2.0.x running on the remote host is prior to 2.0.64. It is, therefore, affected by the following vulnerabilities : - An unspecified error exists in the handling of requests without a path segment. CVE-2010-1452 - Several modules, including...

Anti-virus software may not properly scan malformed zip archives

Overview Anti-virus software may rely on corrupted headers to determine if a zip archive is valid. As a result, anti-virus software may fail to detect malicious content within a zip archive. Description Information about a zip archive, such as the size of the compressed data, is placed in headers...