101 matches found
CVE-2026-25250
🕷️ CVE-2026-25250: 信頼されたブートローダーチェーン検証の不備 署名または整合性検証なしでセカンダリEFIバイナリを読み込む、Microsoft署名のサードパーティ製ブートローダー。内部からSecure Bootの信頼チェーンを崩壊させます。 📑 目次 研究背景 公式リファレンス 自分で再現する 脆弱なブートチェーン 脆弱性の概要 📂 Secure Bootと信頼モデル 根本原因分析 悪用プロセス 緩和策と失効 🧠 研究背景...
CVE-2026-25250 — Updated!
🕷️ CVE-2026-25250: Improper Trusted Bootloader Chain Validation A Microsoft-signed third-party bootloader that loads a secondary EFI binary with no signature or integrity verification, collapsing the Secure Boot chain of trust from within. 📑 Table of Contents Research Context Official References...
Security Bulletin:Improper Chain of Trust in Erlang OTP's pubkey_cert Module Allows Certificate Forgery
Summary Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7...
PT-2026-43712
Name of the Vulnerable Software and Affected Versions Erlang OTP versions 17.0 through 26.2.5.20 Erlang OTP versions 27.x prior to 27.3.4.12 Erlang OTP versions 28.x prior to 28.5.0.1 Erlang OTP versions 29.x prior to 29.0.1 public key versions 0.22 through 1.15.1.6 public key versions 1.17.x pri...
Juniper Junos OS Vulnerability (JSA107823)
The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA107823 advisory. - An Improper Following of a Certificate's Chain of Trust vulnerability in J-Web of Juniper Networks Junos OS on SRX Series allows a PITM to intercept the communication of...
CVE-2026-20104
A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...
EUVD-2026-15435
A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...
CVE-2026-20104
A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...
CVE-2026-20104
A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...
CVE-2026-20104
Cisco IOS XE bootloader vulnerability (CVE-2026-20104) affects Catalyst 9200 series, ESS9300 Embedded, IE9310/IE9320 Rugged, and IE3500/IE3505 Rugged switches. Root cause: insufficient validation of boot-time software, allowing manipulation of loaded binaries to bypass boot-time integrity checks ...
Cisco IOS XE Software for Catalyst Rugged Series Switches Secure Boot Bypass (cisco-sa-xe-secureboot-bypass-B6uYxYSZ)
According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series...
CVE-2026-20104: Buffer Underwrite
A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...
CVE-2022-37908
An authenticated attacker can impact the integrity of the ArubaOS bootloader on 7xxx series controllers. Successful exploitation can compromise the hardware chain of trust on the impacted controller...
EUVD-2025-202615
The ESP32 system on a chip SoC that powers the Meatmeet basestation device was found to lack Secure Boot. The Secure Boot feature ensures that only authenticated software can execute on the device. The Secure Boot process forms a chain of trust by verifying all mutable software entities involved ...
PT-2025-50537
Name of the Vulnerable Software and Affected Versions Meatmeet basestation devices with ESP32 system on a chip affected versions not specified Description The ESP32 system on a chip used in Meatmeet basestation devices lacks Secure Boot functionality. Secure Boot verifies the authenticity of...
CVE-2025-65829
The ESP32 system on a chip (SoC) powering the Meatmeet basestation device lacks Secure Boot functionality. This deficiency prevents the device from establishing a chain of trust by verifying the authenticity of mutable software entities during the Application Startup Flow. Consequently, an attack...
EUVD-2020-12713
Malware in sbrugna...
EUVD-2020-24726
Malware in sbrugna...