snap_priv_esc

snapprivesc snapd を介した Linux 権限昇格エクスプロイトの別の実装 CVE-2019-7304 snap とは？ Snap は、Canonical によって Linux カーネルを使用する オペレーティングシステム 向けに開発されたソフトウェアの パッケージング および デプロイメント システムです。これらのパッケージは snaps と呼ばれ、それを使用するツールである snapd は、さまざまな Linux ディストリビューション で動作し、上流 ソフトウェア開発者がアプリケーションをユーザーに直接配布できるようにします。Snaps...

Document-Linux-Privilege-Escalation

Linux 権限昇格（snapd 経由） プロジェクトの目的： Canonical の snapd デーモン（Ubuntu Linux のデフォルトサービス）の REST API における「DirtySock」（CVE-2019-7304）と呼ばれる脆弱性を悪用して、root アクセスを取得します。 Ramil Mustafayev のガイド:...

dirty_sock

dirtysock snapd（CVE-2019-7304）を介したローカル権限昇格 リマスタードPoCエクスプロイト クレジット: initstring 氏。オリジナル: dirtysock 使用方法 スクリプトを再実行する前に約40秒待ってください。待たないと失敗します。 root@kitploit: chmod u+x lpe.py ./lpe.py...

HTB-Snapped-Writeup

HTB-Snapped-Writeup HTB Snapped — 困难级 Linux 机器 writeup。CVE-2026-27944（Nginx UI 未认证备份泄露）与 CVE-2026-3888（snapd 竞态条件 LPE）链式利用，实现完全系统入侵。 HTB: Snapped — Writeup 难度： 困难 操作系统： Linux Ubuntu 24.04 发布日期： 2026年3月23日 CVE： CVE-2026-27944, CVE-2026-3888 摘要 Snapped 是一台困难级 Linux 机器，托管着一个位于 nginx 之后的静态站点，并带有 Ngin...

dirty_sock

dirtysock: Linux 権限昇格 snapd 経由 2019年1月、当時の Ubuntu Linux の現行バージョンが snapd API のバグによりローカル権限昇格の脆弱性の影響を受けることが判明しました。このリポジトリには、研究および教育用に公開されているオリジナルのエクスプロイト POC が含まれています。脆弱性とエクスプロイトの詳細なウォークスルーについては、 こちらのブログ投稿を参照してください。 Ubuntu には snapd...

CVE-2024-5300

A flaw was found in Canonical snapd. The base AppArmor security profile configuration in snapd inadvertently allows strictly confined snap applications to bypass intended sandbox restrictions. This enables a compromised or malicious snap application, when running as root, to access sensitive syst...

Linux Distros Unpatched Vulnerability : CVE-2024-5300

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An access control bypass and information disclosure vulnerability exists in the base AppArmor security profile configuration of Canonical snapd. The abstraction...

Linux Distros Unpatched Vulnerability : CVE-2026-15226

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler snap-confine. The default seccomp securi...

Linux Distros Unpatched Vulnerability : CVE-2026-8933

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure...

New Ubuntu Desktop Vulnerability Turns Local Access Into Root Control

A vulnerability in snap-confine lets an unprivileged user gain root access on affected Ubuntu Desktop systems. Install the latest snapd update to fix the issue...

CVE-2026-8933

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilitie...

CVE-2026-15226

A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler snap-confine. The default seccomp security templates generated by the engine to restrict system calls do not filter or reject process operations capable of creating or...

CVE-2024-5300

An access control bypass and information disclosure vulnerability exists in the base AppArmor security profile configuration of Canonical snapd. The abstraction rules located in /etc/apparmor.d/abstractions/nss-systemd inherited via inadvertently permit strictly confined snap applications, which...

USN-8579-1: snapd vulnerabilities

James Henstridge discovered that snapd's default apparmor template did not restrict access to systemd-userdbd varlink interface. A local attacker could possibly use this issue to obtain sensitive information. CVE-2024-5300 Qualys discovered that snap-confine can be tricked to create...

CVE-2026-8933

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilitie...

EUVD-2026-46262

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilitie...

EUVD-2026-46261

A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler snap-confine. The default seccomp security templates generated by the engine to restrict system calls do not filter or reject process operations capable of creating or...

CVE-2026-15226 snapd snap-confine Sandbox Confinement Bypass via Omission of setuid Restriction in Seccomp Templates

A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler snap-confine. The default seccomp security templates generated by the engine to restrict system calls do not filter or reject process operations capable of creating or...

CVE-2026-15226 snapd snap-confine Sandbox Confinement Bypass via Omission of setuid Restriction in Seccomp Templates

A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler snap-confine. The default seccomp security templates generated by the engine to restrict system calls do not filter or reject process operations capable of creating or...

CVE-2026-15226

A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler snap-confine. The default seccomp security templates generated by the engine to restrict system calls do not filter or reject process operations capable of creating or...