[SECURITY] Fedora 34 Update: efi-rpm-macros-5-2.fc34

efi-rpm-macros provides a set of RPM macros for use in EFI-related packages...

Lazarus APT Hackers are now using BMP images to hide RAT malware

A spear-phishing attack operated by a North Korean threat actor targeting its southern counterpart has been found to conceal its malicious code within a bitmap .BMP image file to drop a remote access trojan RAT capable of stealing sensitive information. Attributing the attack to the Lazarus Group...

Researchers uncover a new Iranian malware used in recent cyberattacks

An Iranian threat actor has unleashed a new cyberespionage campaign against a possible Lebanese target with a backdoor capable of exfiltrating sensitive information from compromised systems. Cybersecurity firm Check Point attributed the operation to APT34, citing similarities with previous...

CVE-2021-3445

A flaw was found in libdnf's signature verification functionality. This flaw allows an attacker to achieve code execution if they can alter the header information of an RPM package and then trick a user or system into installing it. The highest risk of this vulnerability is to confidentiality,...

XLM + AMSI: New runtime defense against Excel 4.0 macro malware

We have recently expanded the integration of Antimalware Scan Interface AMSI with Office 365 to include the runtime scanning of Excel 4.0 XLM macros, to help antivirus solutions tackle the increase in attacks that use malicious XLM macros. This integration, an example of the many security feature...

XLM + AMSI: New runtime defense against Excel 4.0 macro malware

We have recently expanded the integration of Antimalware Scan Interface AMSI with Office 365 to include the runtime scanning of Excel 4.0 XLM macros, to help antivirus solutions tackle the increase in attacks that use malicious XLM macros. This integration, an example of the many security feature...

Hackers Now Hiding ObliqueRAT Payload in Images to Evade Detection

Cybercriminals are now deploying remote access Trojans RATs under the guise of seemingly innocuous images hosted on infected websites, once again highlighting how threat actors quickly change tactics when their attack methods are discovered and exposed publicly. New research released by Cisco Tal...

Lazarus Targets Defense Companies with ThreatNeedle Malware

The prolific North Korean APT known as Lazarus is behind a spear-phishing campaign aimed at stealing critical data from defense companies by leveraging an advanced malware called ThreatNeedle, new research has revealed. The elaborate and ongoing cyberespionage campaign used emails with COVID-19...

PT-2021-2035 · Microsoft · Office Web Apps Server +4

Name of the Vulnerable Software and Affected Versions: Microsoft Excel affected versions not specified Microsoft Office affected versions not specified Microsoft 365 Apps for Enterprise affected versions not specified Microsoft Office Web Apps Server affected versions not specified Microsoft Offi...

Denial of Service in Apache POI

Apache POI in versions prior to release 3.17 are vulnerable to Denial of Service Attacks: - Infinite Loops while parsing crafted WMF, EMF, MSG and macros POI bugs 61338 and 61294 - Out of Memory Exceptions while parsing crafted DOC, PPT and XLS POI bugs 52372 and 61295...

GHSA-523C-XH4G-MH5M Denial of Service in Apache POI

Apache POI in versions prior to release 3.17 are vulnerable to Denial of Service Attacks: - Infinite Loops while parsing crafted WMF, EMF, MSG and macros POI bugs 61338 and 61294 - Out of Memory Exceptions while parsing crafted DOC, PPT and XLS POI bugs 52372 and 61295...

Html Macros should respect authenticated user based on allowlist API

Gadgets have moved to use whitelist.isAllowedURI, Userkey to give more controls to admins to whether allow anonymous users or not. More details on the whitelist API changes can be found here: https://asecurityteam.atlassian.net/browse/VULN-217900 We had to enable the old behaviour of...

Html Macros should respect authenticated user based on allowlist API

Gadgets have moved to use whitelist.isAllowedURI, Userkey to give more controls to admins to whether allow anonymous users or not. More details on the whitelist API changes can be found here: https://asecurityteam.atlassian.net/browse/VULN-217900 We had to enable the old behaviour of...

Gotenberg has an unspecified vulnerability

Gotenberg is a Docker-powered stateless API for converting HTML, Markdown and Office documents to PDF. Gotenberg 6.2.1 and earlier versions are vulnerable. An attacker can exploit this vulnerability to overwrite LibreOffice configuration files and execute arbitrary code via macros...

CVE-2020-13451

An incomplete-cleanup vulnerability in the Office rendering engine of Gotenberg through 6.2.1 allows an attacker to overwrite LibreOffice configuration files and execute arbitrary code via macros...

Design/Logic Flaw

An incomplete-cleanup vulnerability in the Office rendering engine of Gotenberg through 6.2.1 allows an attacker to overwrite LibreOffice configuration files and execute arbitrary code via macros...

CVE-2020-13451

An incomplete-cleanup vulnerability in the Office rendering engine of Gotenberg through 6.2.1 allows an attacker to overwrite LibreOffice configuration files and execute arbitrary code via macros...

Thecodingmachine Gotenberg 安全漏洞

Gotenberg is a Docker-powered stateless API for converting HTML, Markdown and Office documents to PDF. Gotenberg 6.2.1 and earlier versions are vulnerable. An attacker can exploit this vulnerability to overwrite LibreOffice configuration files and execute arbitrary code via macros...

CVE-2020-35121

An issue was discovered in the Keysight Database Connector plugin before 1.5.0 for Confluence. A malicious user could insert arbitrary JavaScript into saved macro parameters that would execute when a user viewed a page with that instance of the macro...

Russian APT28 Hackers Using COVID-19 as Bait to Deliver Zebrocy Malware

A Russian threat actor known for its malware campaigns has reappeared in the threat landscape with yet another attack leveraging COVID-19 as phishing lures, once again indicating how adversaries are adept at repurposing the current world events to their advantage. Linking the operation to a...