CVE-2021-41091

CVE-2021-41091 このエクスプロイトは、CVE-2021-41091 のセキュリティ脆弱性について詳しく解説し、エクスプロイトスクリプトを利用してホスト上で権限昇格を達成するための手順を段階的に説明します。 脆弱性の概要 CVE-2021-41091 は Moby（Docker Engine）の欠陥で、権限の制限が適切でないため、特権のない Linux ユーザーがデータディレクトリ（通常は /var/lib/docker）内を移動し、プログラムを実行できるようになります。この脆弱性は、コンテナ内に setuid...

CVE-2026-34040-PoC

CVE-2026-34040 — Docker/Moby AuthZ-Plugin-Bypass Lab-PoC KO: Ein Projekt zur Reproduktion einer Schwachstelle für Übungszwecke, die die Autorisierungs-AuthZ-Plugins von DockerMoby mithilfe eines über 1 MB großen Anforderungsrumpfs umgeht. EN: Eine Laborreproduktion einer Schwachstelle, die Docker...

CVE-2021-41091

CVE-2021-41091 Un bug in Moby Docker Engine consente agli utenti senza privilegi di attraversare le directory ed eseguire programmi direttamente dal container Docker sulla macchina principale; se nel container Docker esiste un programma suid, l'utente potrà eseguirlo come suid sulla macchina...

K000163072: Moby vulnerability CVE-2026-34040

Security Advisory Description Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows attackers to bypass authorization plugins AuthZ. This issue has been patched in version 29.3.1. CVE-2026-34040 Impact There is no impact; F5...

BIT-DOCKER-CLI-2026-17106 Tar extraction in moby/go-archive can write outside the destination directory via link following

The tar extraction routines in moby/go-archive Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers do not confine filesystem operations to the destination directory. The extractor decides where each archive entry lands using lexical string checks and then performs the...

PT-2026-79855

The tar extraction routines in moby/go-archive Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers do not confine filesystem operations to the destination directory. The extractor decides where each archive entry lands using lexical string checks and then performs the...

openSUSE 16 Security Update : apptainer (openSUSE-SU-2026:21611-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21611-1 advisory. Changes in apptainer: - Update github.com/moby/go-archive to v0.3.0 to fix CVE-2026-17106: The tar extraction routines in moby/go-archive do not confine...

Security update for apptainer (important)

openSUSE security update: security update for apptainer ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21611-1 Rating: important References: bsc1275248 Cross-References: CVE-2026-17106 CVSS scores: CVE-2026-17106 SUSE : 7.1...

OPENSUSE-SU-2026:21611-1 Security update for apptainer

This update for apptainer fixes the following issues: Changes in apptainer: - Update github.com/moby/go-archive to v0.3.0 to fix CVE-2026-17106: The tar extraction routines in moby/go-archive do not confine filesystem operations to the destination directory. A crafted archive can create or...

Linux Distros Unpatched Vulnerability : CVE-2026-17106

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The tar extraction routines in moby/go-archive Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers do not confine filesystem operations to...

CVE-2026-17106

The tar extraction routines in moby/go-archive Unpack, UnpackLayer, U...

PT-2026-78679

Name of the Vulnerable Software and Affected Versions BuildKit versions prior to 0.31.1 Description BuildKit is a toolkit used to convert source code into build artifacts. A custom frontend can send a crafted build request containing an invalid SecurityMode value. The executor/oci/spec linux.go...

UBUNTU-CVE-2026-17106

The tar extraction routines in moby/go-archive Unpack, UnpackLayer, U...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack through the Unpack and UnpackLayer routines in archive.go and diff.go. An attacker can create or overwrite files outside the intended extraction directory by supplying a crafted archive with traversal entries or symlink...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack through the Unpack and UnpackLayer routines in archive.go and diff.go. An attacker can create or overwrite files outside the intended extraction directory by supplying a crafted archive with traversal entries or symlink...

moby/go-archive: Crafted tar archive can write outside the extraction directory

Summary The tar extraction routines in moby/go-archive Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers do not confine filesystem operations to the destination directory. A crafted archive can create or overwrite files outside the intended destination. Details The extracto...

GHSA-HFG8-HC9C-6C3H moby/go-archive: Crafted tar archive can write outside the extraction directory

Summary The tar extraction routines in moby/go-archive Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers do not confine filesystem operations to the destination directory. A crafted archive can create or overwrite files outside the intended destination. Details The extracto...

CVE-2026-17106

The tar extraction routines in moby/go-archive Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers do not confine filesystem operations to the destination directory. The extractor decides where each archive entry lands using lexical string checks and then performs the...

DEBIAN-CVE-2026-17106

The tar extraction routines in moby/go-archive Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers do not confine filesystem operations to the destination directory. The extractor decides where each archive entry lands using lexical string checks and then performs the...

CVE-2026-17106

CVE-2026-17106 is a TOCTOU race in docker cp caused by two flaws in moby/go-archive: the daemon's tar walk and the CLI's extraction both use different path values for validation vs. filesystem operations. An attacker-controlled container plants a symlink in the archive; the CLI validates a constr...