The vulnerability of the OverlayFS component arises from the Firejail jailer’s SUID status. This vulnerability stems from insufficient checks on the state of shared resources. As a result, attackers can gain access to confidential data, compromise its integrity, and even cause service failures.

The vulnerability of the OverlayFS component in Firejail’s SUID mode is related to insufficient checking of the status of shared resources. Exploiting this vulnerability can allow an attacker to access confidential data, compromise its integrity, and cause service failures...

Firejail: Privilege escalation

Background A SUID program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf. Description It was discovered that a flaw in Firejail’s OverlayFS code allowed restricted programs to escape sandbox. Impac...

openSUSE: Security Advisory for firejail (openSUSE-SU-2021:0271-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Vulnerability of the check_output function in output.c. SUID in a isolated programming environment. Firejail, due to the lack of measures to neutralize special elements, allows a violator to access confidential data, compromise its integrity, and cause service failures.

The vulnerability in the checkoutput function of output.c, with the SUID attribute and a isolated programming environment like Firejail, is related to the lack of measures to neutralize special elements. Exploiting this vulnerability can allow an attacker to access confidential data, compromise i...

Vulnerability of the check_output function in output.c. SUID in a isolated programming environment. Firejail, due to the lack of measures to neutralize special elements, allows a violator to access confidential data, compromise its integrity, and cause service failures.

The vulnerability in the checkoutput function in output.c. The SUID attribute in the isolated programming environment of Firejail indicates that there are no measures in place to neutralize this vulnerability. Exploiting this vulnerability could allow a remote attacker to access confidential data...

MGASA-2021-0120 Updated firejail package fixes a security vulnerability

Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, which could result in root privilege escalation. This update disables OverlayFS support in firejail CVE-2021-26910...

Updated firejail package fixes a security vulnerability

Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, which could result in root privilege escalation. This update disables OverlayFS support in firejail CVE-2021-26910...

Firejail Access Control Error Vulnerability

Firejail is a SUID sandboxing program written in C. An Access Control Error vulnerability exists in versions prior to Firejail 0.9.64.4, which stems from a toctou contention condition between a stat operation and an OverlayFS mount operation, allowing an attacker to bypass intended access...

openSUSE Security Update : firejail (openSUSE-2021-271)

This update for firejail fixes the following issues : firejail 0.9.64.4 is shipped to openSUSE Leap 15.2 - CVE-2021-26910: Fixed root privilege escalation due to race condition boo1181990 Update to 0.9.64.4 : - disabled overlayfs, pending multiple fixes - fixed launch firefox for open url in...

Debian: Security Advisory (DLA-2554-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[ASA-202102-26] firejail: privilege escalation

Arch Linux Security Advisory ASA-202102-26 ========================================== Severity: High Date : 2021-02-12 CVE-ID : CVE-2021-26910 Package : firejail Type : privilege escalation Remote : No Link : https://security.archlinux.org/AVG-1545 Summary ======= The package firejail before...

Debian DLA-2554-1 : firejail security update

Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, a sandbox program to restrict the running environment of untrusted applications, which could result in root privilege escalation. This update disables OverlayFS support in firejail. For Debian 9 stretch, this problem has...

[SECURITY] [DLA 2554-1] firejail security update

----------------------------------------------------------------------- Debian LTS Advisory DLA-2554-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta February 11, 2021 https://wiki.debian.org/LTS -...

DLA-2554-1 firejail - security update

Bulletin has no description...

OPENSUSE-SU-2021:0271-1 Security update for firejail

This update for firejail fixes the following issues: firejail 0.9.64.4 is shipped to openSUSE Leap 15.2 - CVE-2021-26910: Fixed root privilege escalation due to race condition boo1181990 Update to 0.9.64.4: disabled overlayfs, pending multiple fixes fixed launch firefox for open url in...

Debian DSA-4849-1 : firejail - security update

Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, a sandbox program to restrict the running environment of untrusted applications, which could result in root privilege escalation. This update disables OverlayFS support in firejail. C Tenable Network Security, Inc. The...

Security update for firejail (important)

openSUSE Security Update: Security update for firejail Announcement ID: openSUSE-SU-2021:0271-1 Rating: important References: 1181990 Cross-References: CVE-2020-17367 CVE-2020-17368 CVE-2021-26910 CVSS scores: CVE-2020-17367 NVD : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-17368 NV...

Debian: Security Advisory (DSA-4849-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] [DSA 4849-1] firejail security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4849-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 09, 2021 https://www.debian.org/security/faq -...

[SECURITY] [DSA 4849-1] firejail security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4849-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 09, 2021 https://www.debian.org/security/faq -...