An update for flatpak is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.

Security Fix(es) :

* flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226) (CVE-2019-10063)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has flatpak packages installed that are affected by a vulnerability:

  - Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and     1.3.x before 1.3.1 allows a sandbox bypass. Flatpak     versions since 0.8.1 address CVE-2017-5226 by using a     seccomp filter to prevent sandboxed apps from using the     TIOCSTI ioctl, which could otherwise be used to inject     commands into the controlling terminal so that they     would be executed outside the sandbox after the     sandboxed app exits. This fix was incomplete: on 64-bit     platforms, the seccomp filter could be bypassed by an     ioctl request number that has TIOCSTI in its 32 least     significant bits and an arbitrary nonzero value in its     32 most significant bits, which the Linux kernel would     treat as equivalent to TIOCSTI. (CVE-2019-10063)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

From Red Hat Security Advisory 2019:1024 :

An update for flatpak is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.

Security Fix(es) :

* flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226) (CVE-2019-10063)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has flatpak packages installed that are affected by a vulnerability:

  - Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and     1.3.x before 1.3.1 allows a sandbox bypass. Flatpak     versions since 0.8.1 address CVE-2017-5226 by using a     seccomp filter to prevent sandboxed apps from using the     TIOCSTI ioctl, which could otherwise be used to inject     commands into the controlling terminal so that they     would be executed outside the sandbox after the     sandboxed app exits. This fix was incomplete: on 64-bit     platforms, the seccomp filter could be bypassed by an     ioctl request number that has TIOCSTI in its 32 least     significant bits and an arbitrary nonzero value in its     32 most significant bits, which the Linux kernel would     treat as equivalent to TIOCSTI. (CVE-2019-10063)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the version of the flatpak packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and     1.3.x before 1.3.1 allows a sandbox bypass. Flatpak     versions since 0.8.1 address CVE-2017-5226 by using a     seccomp filter to prevent sandboxed apps from using the     TIOCSTI ioctl, which could otherwise be used to inject     commands into the controlling terminal so that they     would be executed outside the sandbox after the     sandboxed app exits. This fix was incomplete: on 64-bit     platforms, the seccomp filter could be bypassed by an     ioctl request number that has TIOCSTI in its 32 least     significant bits and an arbitrary nonzero value in its     32 most significant bits, which the Linux kernel would     treat as equivalent to TIOCSTI.(CVE-2019-10063)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Security Fix(es) :

  - flatpak: Sandbox bypass via IOCSTI (incomplete fix for     CVE-2017-5226) (CVE-2019-10063)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:1143 advisory.

  - flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226) (CVE-2019-10063)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:1024 advisory.

  - flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226) (CVE-2019-10063)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2019:1143 advisory.

  - flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226) (CVE-2019-10063)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

From Red Hat Security Advisory 2019:1143 :

An update for flatpak is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.

Security Fix(es) :

* flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226) (CVE-2019-10063)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Flatpak allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.(CVE-2019-10063)

ID	Name	Product	Family	Published	Updated	Severity
124873	CentOS 7 : flatpak (CESA-2019:1024)	Nessus	CentOS Local Security Checks	5/14/2019	1/17/2020	critical
127298	NewStart CGSL CORE 5.05 / MAIN 5.05 : flatpak Vulnerability (NS-SA-2019-0084)	Nessus	NewStart CGSL Local Security Checks	8/12/2019	1/14/2021	critical
125108	Oracle Linux 7 : flatpak (ELSA-2019-1024)	Nessus	Oracle Linux Local Security Checks	5/15/2019	1/17/2020	critical
127291	NewStart CGSL CORE 5.04 / MAIN 5.04 : flatpak Vulnerability (NS-SA-2019-0080)	Nessus	NewStart CGSL Local Security Checks	8/12/2019	1/14/2021	critical
134796	EulerOS 2.0 SP5 : flatpak (EulerOS-SA-2020-1305)	Nessus	Huawei Local Security Checks	3/23/2020	3/21/2024	critical
124705	Scientific Linux Security Update : flatpak on SL7.x x86_64 (20190508)	Nessus	Scientific Linux Local Security Checks	5/9/2019	2/24/2020	critical
124844	RHEL 8 : flatpak (RHSA-2019:1143)	Nessus	Red Hat Local Security Checks	5/13/2019	4/27/2024	critical
124693	RHEL 7 : flatpak (RHSA-2019:1024)	Nessus	Red Hat Local Security Checks	5/8/2019	4/27/2024	critical
132597	EulerOS 2.0 SP8 : flatpak (EulerOS-SA-2020-1004)	Nessus	Huawei Local Security Checks	1/2/2020	4/2/2024	critical
145573	CentOS 8 : flatpak (CESA-2019:1143)	Nessus	CentOS Local Security Checks	1/29/2021	3/23/2021	critical
127578	Oracle Linux 8 : flatpak (ELSA-2019-1143)	Nessus	Oracle Linux Local Security Checks	8/12/2019	5/7/2024	critical
125602	Amazon Linux 2 : flatpak (ALAS-2019-1219)	Nessus	Amazon Linux Local Security Checks	5/31/2019	5/17/2024	critical

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