Openbsd-Privilege-Escalation

Openbsd-Privilege-Escalation OpenBSDシステム上で特権昇格のプロセスを自動化するスクリプトです。CVE-2019-19520 xlockバイナリを悪用してそのsgidを取得し、CVE-2019-19522 authグループの権限を悪用してSkeyまたはYubikeyに鍵を追加することで、rootユーザーに昇格します。 Cコードは、元のPoC（https://www.openwall.com/lists/oss-security/2019/12/04/5）をほぼコピーしたものです。 CVE-2019-19522:...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: exec: Fix for the issue involving the comparison between permission checks and setuid/gid usage When opening a file for execution using dofilpopen, permission checks are performed based on the file’s metadata at that moment. If t...

EulerOS 2.0 SP13 : sudo (EulerOS-SA-2026-3002)

According to the versions of the sudo packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not...

CVE-2026-52791 fuse-overlayfs release-1.x preserves SUID/SGID bits after truncate/open(O_TRUNC)

fuse-overlayfs is an implementation of overlayfs in FUSE for rootless containers. Prior to 1.17, the release-1.x C branch preserves SUID and SGID mode bits in main.c during openOTRUNC and truncate handling on a copied-up file, allowing a low-privileged process to leave the upper-layer file with...

EUVD-2026-50403

fuse-overlayfs is an implementation of overlayfs in FUSE for rootless containers. Prior to 1.17, the release-1.x C branch preserves SUID and SGID mode bits in main.c during openOTRUNC and truncate handling on a copied-up file, allowing a low-privileged process to leave the upper-layer file with...

ROS-20260713-73-0001

The vulnerability of the system administration program Sudo is related to errors in privilege management when processing and checking parameters such as setuid, setgid, and setgroups. Exploiting this vulnerability can allow an attacker to increase their privileges...

CVE-2026-49413

The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the PSUGID process flag. During execve2, this flag is not yet set at the point where the auxiliary vector is constructed, so ATSECURE was incorrectly set to zero for set-user-ID and set-group-ID executables. A...

CVE-2026-49413

The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the PSUGID process flag. During execve2, this flag is not yet set at the point where the auxiliary vector is constructed, so ATSECURE was incorrectly set to zero for set-user-ID and set-group-ID executables. A...

CVE-2026-49413 Flaw in Linuxulator execution of setugid binaries

The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the PSUGID process flag. During execve2, this flag is not yet set at the point where the auxiliary vector is constructed, so ATSECURE was incorrectly set to zero for set-user-ID and set-group-ID executables. A...

EUVD-2026-39965

The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the PSUGID process flag. During execve2, this flag is not yet set at the point where the auxiliary vector is constructed, so ATSECURE was incorrectly set to zero for set-user-ID and set-group-ID executables. A...

CVE-2026-49413: Incorrect Privilege Assignment

The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the PSUGID process flag. During execve2, this flag is not yet set at the point where the auxiliary vector is constructed, so ATSECURE was incorrectly set to zero for set-user-ID and set-group-ID executables. A...

SUSE-SU-2026:2430-1 Security update for openssh8.4

This update for openssh8.4 fixes the following issues - CVE-2026-3497: Information disclosure or denial of service due to uninitialized variables bsc1259642. - CVE-2026-35385: a file downloaded by scp may be installed setuid or setgid bsc1261427. - CVE-2026-35388: omitted connection multiplexing...

FreeBSD-SA-26:30.linux

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:30.linux Security Advisory The FreeBSD Project Topic: Flaw in Linuxulator execution of setugid binaries Category: core Module: linux Announced: 2026-06-09...

FreeBSD Security Advisory - FreeBSD-SA-26:30.linux

FreeBSD Security Advisory - The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the PSUGID process flag. During execve2, this flag is not yet set at the point where the auxiliary vector is constructed, so ATSECURE was incorrectly set to zero for set-user-ID and...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

CVE-2026-4607 ProfileGrid <= 5.9.8.4 - Missing Authorization to Authenticated (Subscriber+) Group Settings Modification

The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.9.8.4. This is due to the plugin not properly verifying that a user is authorized to perform an action via the pmsetgrouporder, pmsetgroupitem...

EUVD-2026-29952

The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.9.8.4. This is due to the plugin not properly verifying that a user is authorized to perform an action via the pmsetgrouporder, pmsetgroupitem...

OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode

A flaw was found in OpenSSH. When the scp command is used by a root user to download a file with the legacy protocol option -O and without preserving original file permissions -p, the downloaded file can be installed with elevated privileges setuid or setgid. This unexpected behavior could allow ...

sudo: Sudo: Privilege escalation due to failure in privilege drop calls

A flaw was found in Sudo. A local user could exploit a failure in the setuid, setgid, or setgroups calls, which are used to drop privileges before running the mailer. This oversight allows for privilege escalation, enabling the user to gain elevated access on the system...

EUVD-2026-24982

The cp utility in uutils coreutils fails to properly handle setuid and setgid bits when ownership preservation fails. When copying with the -p preserve flag, the utility applies the source mode bits even if the chown operation is unsuccessful. This can result in a user-owned copy retaining origin...