Iranian hackers leveraged Log4Shell to penetrate US federal agency

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Iranian APT activity was detected on the networks of federal agencies. The intruders utilized an exploit targeting Log4Shell CVE-2021-44228 to install XMRig crypto mining software on an unpatched VMware...

Iranian Hackers Compromised a U.S. Federal Agency's Network Using Log4Shell Exploit

Iranian government-sponsored threat actors have been blamed for compromising a U.S. federal agency by taking advantage of the Log4Shell vulnerability in an unpatched VMware Horizon server. The details, which were shared by the U.S. Cybersecurity and Infrastructure Security Agency CISA, come in...

CISA and FBI Release Advisory on Iranian Government-Sponsored APT Actors Compromising Federal Network

Today, CISA and the Federal Bureau of Investigation FBI published a joint Cybersecurity Advisory CSA, Iranian Government-Sponsored APT Actors Compromise Federal Network, Deploy Crypto Miner, Credential Harvester. The CSA provides information on an incident at a Federal Civilian Executive Branch...

Security Bulletin: Vulnerability in Apache Log4j affects some features of IBM® Db2® (CVE-2021-44228)

Summary Apache Log4j open source library used by IBM® Db2® is affected by a vulnerability that could allow a remote attacker to execute arbitrary code on the system. This library is used by the Db2 Federation feature. The fix for the vulnerability is to update the log4j library. Please see...

Hackers Started Exploiting Critical "Text4Shell" Apache Commons Text Vulnerability

WordPress security company Wordfence on Thursday said it started detecting exploitation attempts targeting the newly disclosed flaw in Apache Commons Text on October 18, 2022. The vulnerability, tracked as CVE-2022-42889 aka Text4Shell, has been assigned a severity ranking of 9.8 out of a possibl...

Why Log4Text is not another Log4Shell

The Apache Software Foundation has acknowledged a vulnerability in Apache Commons Text, a library focused on algorithms for string manipulation. The vulnerability has been assigned CVE-2022- 42889, but security researchers have dubbed it Log4Text. The name provides an immediate association with...

New text2shell RCE vulnerability in Apache Common Texts CVE-2022-42889

Yet another RCE with a CVSS score of 9.8 out of 10 was disclosed a few hours ago. This issue looks like the same Log4shell and it seems even more dangerous since Common Texts are used more broadly. The Apache Foundation published a vulnerability in the Apache Commons Text project code and publish...

Budworm Hackers Resurface with New Espionage Attacks Aimed at U.S. Organization

An advanced persistent threat APT actor known as Budworm targeted a U.S.-based entity for the first time in more than six years, according to latest research. The attack was aimed at an unnamed U.S. state legislature, the Symantec Threat Hunter team, part of Broadcom Software, said in a report...

Security Bulletin: There is vulnerability in Apache Log4j used by Content Manager OnDemand z/OS. Content Manager OnDemand z/OS has addressed the applicable CVE [CVE-2021-44228]

Summary There is vulnerability in Apache Log4j used by Content Manager OnDemand z/OS. Content Manager OnDemand z/OS has addressed the applicable CVE. CVE-2021-44228 Vulnerability Details CVEID:CVE-2021-44228 DESCRIPTION: Apache Log4j could allow a remote attacker to execute arbitrary code on the...

Researchers Link Cheerscrypt Linux-Based Ransomware to Chinese Hackers

The recently discovered Linux-Based ransomware strain known as Cheerscrypt has been outed as a handiwork of a Chinese cyber espionage group known for operating short-lived ransomware schemes. Cybersecurity firm Sygnia attributed the attacks to a threat actor it tracks under the name Emperor...

Monti ransomware infiltrates networks via the well-known Log4Shell

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The Monti ransomware infiltrated the clients internet-facing VMware Horizon virtualization system by exploiting the well-known "Log4Shell" vulnerability, a.k.a. CVE-2021-44228. Furthermore, the threat...

Opencast < 9.10, 10.x < 10.6 Log4j RCE Vulnerability (GHSA-mf4f-j588-5xm8, Log4Shell)

Opencast is prone to a remote code execution RCE vulnerability in the Apache Log4j library dubbed SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-on...

North Korean Lazarus Hackers Targeting Energy Providers Around the World

A malicious campaign mounted by the North Korea-linked Lazarus Group targeted energy providers around the world, including those based in the United States, Canada, and Japan, between February and July 2022. "The campaign is meant to infiltrate organizations around the world for establishing...

Apache Archiva < 2.2.6 Multiple Log4j Vulnerabilities (Log4Shell) - Active Check

Apache Archiva is prone to multiple vulnerabilities in the Apache Log4j library. SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Google Launches New Open Source Bug Bounty to Tackle Supply Chain Attacks

Google on Monday introduced a new bug bounty program for its open source projects, offering payouts anywhere from $100 to $31,337 a reference to eleet or leet to secure the ecosystem from supply chain attacks. Called the Open Source Software Vulnerability Rewards Program OSS VRP, the offering is...

Iranian Hackers Exploiting Unpatched Log4j 2 Bugs to Target Israeli Organizations

Iranian state-sponsored actors are leaving no stone unturned to exploit unpatched systems running Log4j to target Israeli entities, indicating the vulnerability's long tail for remediation. Microsoft attributed the latest set of activities to the umbrella threat group tracked as MuddyWater aka...

Ox4Shell - Deobfuscate Log4Shell Payloads With Ease

Deobfuscate Log4Shell payloads with ease. Description Since the release of the Log4Shell vulnerability CVE-2021-44228, many tools were created to obfuscate Log4Shell payloads, making the lives of security engineers a nightmare. This tool intends to unravel the true contents of obfuscated Log4Shel...

Pushing Open-Source Security Forward: Insights From Black Hat 2022

Open-source security has been a hot topic in recent years, and it's proven to be something of a double-edged sword. On the one hand, there's an understanding of the potential that open-source tools hold for democratizing security, making industry best practices accessible to more organizations an...

Security Bulletin: Vulnerability in Apache Log4j affects IBM InfoSphere Master Data Management (CVE-2021-44228 )

Summary There is a vulnerability in the Apache Log4j open source library used by IBM InfoSphere Master Data Management v11.6 and v12.0. Vulnerability Details CVEID:CVE-2021-44228 DESCRIPTION: Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the failure...

Metasploit Weekly Wrap-Up

Log4Shell in MobileIron Core Thanks to jbaines-r7 we have yet another Log4Shell exploit. Similar to the other Log4Shell exploit modules, the exploit works by sending a JNDI string that once received by the server will be deserialized, resulting in unauthenticated remote code execution as the tomc...