Vulnerability CVE-2019-8308
Published: 2019-02-12   Modified: 2019-02-13

Description:
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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.4/10
6.4/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server eus 
Redhat -> Enterprise linux server tus 
Redhat -> Enterprise linux workstation 
Flatpak -> Flatpak 
Debian -> Debian linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00088.html
https://access.redhat.com/errata/RHSA-2019:0375
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
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