unicorn

unicorn Written by: Dave Kennedy @HackingDave Website: https://www.trustedsec.com Magic Unicorn is a simple tool for using a PowerShell downgrade attack and inject shellcode straight into memory. Based on Matthew Graeber's powershell attacks and the powershell bypass technique presented by David...

ams-failopen

AppleMediaServices 中的失效开放签名（零日披露） 概述 此问题构成了一个现有的零日漏洞，反映了 AppleMediaServices.framework 中的系统性设计缺陷，而非回归或特定版本的错误。 Apple 的 AppleMediaServices 框架中存在一个关键的失效开放缺陷：如果远程配置文件（"Bag"）加载失败，请求签名会被静默禁用。这影响 iOS、macOS、tvOS 和 watchOS。 当 Bag 无法检索（由于 DNS 操纵、超时或网络干扰）时，AppleMediaServices 守护进程会禁用 Mescal/Absinthe 签名，并向...

BitUnlocker

BitUnlocker 降级攻击 一种概念验证方法，可在完全修补的 Windows 11 机器上，在 5 分钟内 访问 BitLocker 加密磁盘，通过引导管理器降级攻击利用最初记录为 CVE-2025-48804 的 SDI 漏洞。2025 年 7 月的补丁修复了 bootmgfw.efi，因此在 PCA 2011 下签名的任何预补丁 bootmgfw.efi 均可用于降级攻击，前提是目标系统信任该 PCA。 此 PoC 提供了两种交付方法：USB 启动 （更简单，推荐）和 PXE 启动 。但理论上，您也可以直接将 SDI 启动文件复制到默认未加密的分区（ESP...

CVE-2019-19652

CVE-2019-19652 Chevereto 降级攻击 - 1.0.0 - 1.1.4 Free, = 3.13.5 Core. 管理员用户可以指示更新脚本降级到另一个版本而不是升级，从而重新引入之前的缺陷。由于缺少 CSRF 令牌，此攻击还可用于 CSRF 攻击，即管理员用户可能被诱骗执行此操作。 管理员用户可以指示更新脚本下载任意版本，包括旧版本 服务器将返回下载文件的完整文件名，该文件名将在后续请求中使用 GET /update/?action=download&version=3.13.4 HTTP/1.1 Host: 192.168.0.88 User-Agent:...

mellon

このツールが悪用するOSDPの脆弱性 OSDP攻撃ツール（エルフ語で「友」の意） 攻撃その1: 暗号化はオプション OSDPは暗号化をサポートしていますが、厳密には 必須 ではありません。そのため、接続がまったく暗号化されていない可能性もあります。攻撃その1では、パッシブに傍受して、線路上のカード番号を読み取れるかどうかを確認します。 攻撃その2: ダウングレード攻撃 コントローラとリーダーが暗号化を サポート しているからといって、それが使用されるように 要求...

knob

README 关于蓝牙 BR/EDR 和蓝牙低功耗上的 蓝牙密钥协商（KNOB） 攻击的仓库。 相关工作 从蓝牙标准到符合标准的 0-day 漏洞 HWIO20 蓝牙和蓝牙低功耗上的密钥协商降级攻击 TOPS20 蓝牙之殇：KNOB 攻击解析 CyberWire19 KNOB 已破：利用蓝牙 BR/EDR 加密密钥协商中的低熵 SEC19 BIAS：蓝牙冒充攻击 S&P20 链接 CVE-2019-9506。 使用 internalblue v0.1 执行 KNOB 攻击的 PoC 用于验证和暴力破解 E0 加密密钥的代码 如何修补 Linux 内核以在 BLE 上执行 KNOB 攻击...

Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2021_3838)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20213838 advisory. Mozilla: Use-after-free in MessageTask CVE-2021-38496 Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2 CVE-2021-385...

Improper Verification of Cryptographic Signature

Overview @tauri-apps/plugin-updater is a Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the verifysignature function in updater.rs, which does not validate that the version embedded in the signature's trusted comment matches the version...

CVE-2026-95625

The Tauri updater plugin contains a vulnerability where the update manifest—containing the version number, download URL, and signature—is fetched over TLS but is never itself signed or authenticated . While the plugin verifies the raw binary bytes using minisign signatures, the signature does not...

EUVD-2026-85170

The Tauri updater plugin verifies update binaries using minisign signatures, but the signature covers only the raw binary bytes. The update manifest -- which contains the version number, download URL, and signature -- is fetched over TLS but is never itself signed or authenticated. Because the on...

CVE-2026-95624

The Tauri updater plugin's 'check' IPC command accepts an allowDowngrades boolean parameter directly from frontend JavaScript code. When set to true, it replaces the version comparator from "update must be newer" to "update must be different." Because the default permission set grants allow-check...

EUVD-2026-84577

The Tauri updater plugin's 'check' IPC command accepts an allowDowngrades boolean parameter directly from frontend JavaScript code. When set to true, it replaces the version comparator from "update must be newer" to "update must be different." Because the default permission set grants allow-check...

CVE-2026-95624

The Tauri updater plugin is vulnerable to a malicious downgrade attack because the 'check' IPC command accepts an allowDowngrades boolean parameter directly from frontend JavaScript code. When this parameter is set to true , it changes the version comparator from "update must be newer" to "update...

PT-2026-96856

Name of the Vulnerable Software and Affected Versions Tauri affected versions not specified Description The updater plugin contains a flaw where the 'check' IPC command accepts an allowDowngrades boolean parameter directly from frontend JavaScript code. When this parameter is set to true, the...

CVE-2026-95624: Improper Access Control

The Tauri updater plugin's 'check' IPC command accepts an allowDowngrades boolean parameter directly from frontend JavaScript code. When set to true, it replaces the version comparator from "update must be newer" to "update must be different." Because the default permission set grants allow-check...

Astra Linux – Vulnerability in Thunderbird

Thunderbird ignored the configuration that required STARTTLS security for SMTP connections. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication...

Palo Alto Networks PAN-OS 10.2.x < 10.2.14 / 11.1.x < 11.1.8 / 11.2.x < 11.2.8 Vulnerability

The version of Palo Alto Networks PAN-OS running on the remote host is 10.2.x prior to 10.2.14, 11.1.x prior to 11.1.8, or 11.2.x prior to 11.2.8. It is, therefore, affected by a vulnerability. The Terrapin attack allows an attacker with the ability to intercept SSH traffic on affected Palo Alto...

CVE-2026-28627

In btmsecencryptchange of btmsec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2026-28627

In btmsecencryptchange of btmsec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

EUVD-2026-73973

In btmsecencryptchange of btmsec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...