Operation on a Resource after Expiration or Release Affecting flatpak-builder package, versions <0:1.0.0-4.el7_6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-FLATPAKBUILDER-4862565
- published26 Jul 2021
- disclosed11 Feb 2019
Introduced: 11 Feb 2019
CVE-2019-8308 (opens in a new tab)How to fix?
Upgrade RHEL:7 flatpak-builder to version 0:1.0.0-4.el7_6 or higher.
This issue was patched in RHSA-2019:0375.
NVD Description
Note: Versions mentioned in the description apply only to the upstream flatpak-builder package and not the flatpak-builder package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
Flatpak before 1.0.7, and 1.1.x and 1.2.x before 1.2.3, exposes /proc in the apply_extra script sandbox, which allows attackers to modify a host-side executable file.
References
- https://access.redhat.com/security/cve/CVE-2019-8308
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=922059
- https://github.com/flatpak/flatpak/releases/tag/1.0.7
- https://github.com/flatpak/flatpak/releases/tag/1.2.3
- https://access.redhat.com/errata/RHSA-2019:0375
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00088.html