Reports about Cyber Actors Hiding in Router Firmware

On September 27, 2023, the U.S. National Security Agency NSA, the U.S. Federal Bureau of Investigation FBI, the U.S. Cybersecurity and Infrastructure Security Agency CISA, the Japan National Police Agency NPA, and the Japan National Center of Incident Readiness and Strategy for Cybersecurity NISC...

New security features in Windows 11 protect users and empower IT

While attacks are getting more sophisticated, so are our defenses. With recent innovations like secured-core PCs that are 60 percent more resilient to malware than non-secured-core PCs,1 and the Microsoft Pluton Security Processor that adds more protection by isolating sensitive data like...

Siemens InsydeH2O Arbitrary Code Execution (CVE-2022-36338)

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then...

Apache Shiro < 1.11.0 Authentication Bypass

Apache Shiro before 1.11.0, when using Apache Shiro with Spring Boot 2.6+, a specially crafted HTTP request may cause an authentication bypass. The authentication bypass occurs when Shiro and Spring Boot are using different pattern-matching techniques. Both Shiro and Spring Boot 2.6 default to An...

Paketo Buildpacks Bionic End Of Support

The Spring Boot plugins for Maven and Gradle provide the ability to build Docker images using Cloud Native Buildpacks. By default, Spring Boot uses the CNB builders provided by the Paketo Buildpacks project. What's Changed The Paketo Buildpacks project has announced that Ubuntu 18.04 Bionic-based...

CVE-2023-40989

CVE-2023-40989 describes a SQL injection in JeecgBoot (jeecg-boot) v3.0 and v3.5.3, allowing a remote attacker to execute arbitrary code via a crafted request to the report/jeecgboot/jmreport/queryFieldBySql endpoint. Affects JeecgBoot’s web application, with high-severity impact (as per referenc...

Duplicate Advisory: EVE's Debug Functions Unlockable Without Triggering Measured Boot

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-4c4v-42hc-72p6. This link is maintained to preserve external references. Original Description On boot, the Pillar eve container checks for the existence and content of “/config/GlobalConfig/global.json”. If the...

Duplicate Advisory: EVE: SSH as Root Unlockable Without Triggering Measured Boot

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-phcg-h58r-gmcq. This link is maintained to preserve external references. Original Description On boot, the Pillar eve container checks for the existence and content of “/config/authorizedkeys”. If the file is...

GHSA-3WMX-9QWP-H363 Duplicate Advisory: EVE Doesn't Protect Config Partition with Measured Boot

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-wc42-fcjp-v8vq. This link is maintained to preserve external references. Original Description When sealing/unsealing the “vault” key, a list of PCRs is used, which defines which PCRs are used. In a previous...

GHSA-6958-8CPR-XGRQ Duplicate Advisory: EVE's Debug Functions Unlockable Without Triggering Measured Boot

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-4c4v-42hc-72p6. This link is maintained to preserve external references. Original Description On boot, the Pillar eve container checks for the existence and content of “/config/GlobalConfig/global.json”. If the...

GHSA-F6WP-8J9R-FRRG Duplicate Advisory: EVE: SSH as Root Unlockable Without Triggering Measured Boot

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-phcg-h58r-gmcq. This link is maintained to preserve external references. Original Description On boot, the Pillar eve container checks for the existence and content of “/config/authorizedkeys”. If the file is...

Duplicate Advisory: EVE Doesn't Protect Config Partition with Measured Boot

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-wc42-fcjp-v8vq. This link is maintained to preserve external references. Original Description When sealing/unsealing the “vault” key, a list of PCRs is used, which defines which PCRs are used. In a previous...

CVE-2023-43633

On boot, the Pillar eve container checks for the existence and content of “/config/GlobalConfig/global.json”. If the file exists, it overrides the existing configuration on the device on boot. This allows an attacker to change the system’s configuration, which also includes some debug functions...

CVE-2023-43631

On boot, the Pillar eve container checks for the existence and content of “/config/authorizedkeys”. If the file is present, and contains a supported public key, the container will go on to open port 22 and enable sshd with the given keys as the authorized keys for root login. An attacker could...

Design/Logic Flaw

When sealing/unsealing the “vault” key, a list of PCRs is used, which defines which PCRs are used. In a previous project, CYMOTIVE found that the configuration is not protected by the secure boot, and in response Zededa implemented measurements on the config partition that was mapped to PCR 13. I...

Design/Logic Flaw

On boot, the Pillar eve container checks for the existence and content of “/config/GlobalConfig/global.json”. If the file exists, it overrides the existing configuration on the device on boot. This allows an attacker to change the system’s configuration, which also includes some debug functions...

Design/Logic Flaw

On boot, the Pillar eve container checks for the existence and content of “/config/authorizedkeys”. If the file is present, and contains a supported public key, the container will go on to open port 22 and enable sshd with the given keys as the authorized keys for root login. An attacker could...

CVE-2023-43631 SSH as Root Unlockable Without Triggering Measured Boot

On boot, the Pillar eve container checks for the existence and content of “/config/authorizedkeys”. If the file is present, and contains a supported public key, the container will go on to open port 22 and enable sshd with the given keys as the authorized keys for root login. An attacker could...

CVE-2023-43631

The CVE-2023-43631 issue affects the Pillar/EVE container in EVE OS. On boot, the container checks for /config/authorized_keys and, if a valid public key is present, enables SSH on port 22 for root login. The /config partition is not protected by measured boot, is mutable, and unencrypted, allowi...

CVE-2023-43631 SSH as Root Unlockable Without Triggering Measured Boot

On boot, the Pillar eve container checks for the existence and content of “/config/authorizedkeys”. If the file is present, and contains a supported public key, the container will go on to open port 22 and enable sshd with the given keys as the authorized keys for root login. An attacker could...