Einträge von Technik Support

Malicious Microsoft Office Documents Move Beyond InkPicture

By Ross Gibb In late August we began to detect malicious Microsoft Word documents that contained VisualBasic (VB) macro code and the code appeared to be triggering when the document was opened. However, the documents did not contain any of the standard events used to launch VB macro code when a document is opened, including […]

Malicious Microsoft Office Documents Move Beyond InkPicture

By Ross Gibb In late August we began to detect malicious Microsoft Word documents that contained VisualBasic (VB) macro code and the code appeared to be triggering when the document was opened. However, the documents did not contain any of the standard events used to launch VB macro code when a document is opened, including […]

Vulnerability Spotlight: Hopper Disassembler ELF Section Header Size Code Execution

By Talos Group Vulnerability Discovered by Tyler Bohan and Cory Duplantis of Cisco Talos Talos has identified an exploitable out-of-bounds write vulnerability in the ELF Section Header parsing functionality of Hopper (TALOS-2016-0222/CVE-2016-8390). Hopper is a reverse engineering tool for macOS and Linux allowing the user to disassemble and decompile 32/64bit Intel-based Mac, Linux, Windows and […]

Vulnerability Spotlight: Hopper Disassembler ELF Section Header Size Code Execution

By Talos Group Vulnerability Discovered by Tyler Bohan and Cory Duplantis of Cisco Talos Talos has identified an exploitable out-of-bounds write vulnerability in the ELF Section Header parsing functionality of Hopper (TALOS-2016-0222/CVE-2016-8390). Hopper is a reverse engineering tool for macOS and Linux allowing the user to disassemble and decompile 32/64bit Intel-based Mac, Linux, Windows and […]

Vulnerability Spotlight: Foxit PDF Reader JBIG2 Parser Information Disclosure

By Talos Group Vulnerability discovered by Aleksandar Nikolic of Talos. Talos has identified an information disclosure vulnerability in Foxit PDF Reader (TALOS-2016-0201/CVE-2016-8334). A wrongly bounded call to `memcpy`, while parsing jbig2 segments within a PDF file, can be triggered in Foxit PDF Reader causing an out-of-bounds heap memory to be read into a buffer. The […]

Vulnerability Spotlight: Foxit PDF Reader JBIG2 Parser Information Disclosure

By Talos Group Vulnerability discovered by Aleksandar Nikolic of Talos. Talos has identified an information disclosure vulnerability in Foxit PDF Reader (TALOS-2016-0201/CVE-2016-8334). A wrongly bounded call to `memcpy`, while parsing jbig2 segments within a PDF file, can be triggered in Foxit PDF Reader causing an out-of-bounds heap memory to be read into a buffer. The […]

Combating Email Spoofing with Cisco Email Security Forged Email Detection

By Raymond Jett In April we covered the description of Email Spoofing using Microsoft Outlook, but what about detecting and mitigating it on the Mail Transfer Agent (MTA)? There are multiple technologies that have attempted to address the issues surrounding spoofed emails on the MTA, but they all have shortcomings that can limit their usefulness. […]

Combating Email Spoofing with Cisco Email Security Forged Email Detection

By Raymond Jett In April we covered the description of Email Spoofing using Microsoft Outlook, but what about detecting and mitigating it on the Mail Transfer Agent (MTA)? There are multiple technologies that have attempted to address the issues surrounding spoofed emails on the MTA, but they all have shortcomings that can limit their usefulness. […]