Vulnerability Name:

CVE-2019-8308 (CCN-156996)

Assigned:2019-02-11
Published:2019-02-11
Updated:2020-08-24
Summary: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.
CVSS v3 Severity:8.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.7 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)
6.7 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-668
CWE-672
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2019-8308

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2019:2038

Source: REDHAT
Type: Third Party Advisory
RHSA-2019:0375

Source: CCN
Type: Debian Bug report logs - #922059
flatpak: CVE-2019-8308: vulnerability similar to runc CVE-2019-5736 involving /proc/self/exe

Source: MISC
Type: Issue Tracking, Mailing List, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=922059

Source: XF
Type: UNKNOWN
flatpak-cve20198308-sec-bypass(156996)

Source: CCN
Type: flatpak GIT Repository
flatpak

Source: MISC
Type: Third Party Advisory
https://github.com/flatpak/flatpak/releases/tag/1.0.7

Source: MISC
Type: Third Party Advisory
https://github.com/flatpak/flatpak/releases/tag/1.2.3

Vulnerable Configuration:Configuration 1:
  • cpe:/a:flatpak:flatpak:*:*:*:*:*:*:*:* (Version < 1.0.7)
  • OR cpe:/a:flatpak:flatpak:*:*:*:*:*:*:*:* (Version >= 1.1.0 and <= 1.1.3)
  • OR cpe:/a:flatpak:flatpak:*:*:*:*:*:*:*:* (Version >= 1.2.0 and <= 1.2.3)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:flatpak:flatpak:1.0.6:*:*:*:*:*:*:*
  • OR cpe:/a:flatpak:flatpak:1.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:flatpak:flatpak:1.1.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20198308
    V
    		CVE-2019-8308
    2022-05-20
    oval:org.opensuse.security:def:2032
    P
    		apache2-mod_wsgi-4.5.18-2.27 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:2040
    P
    		python3-aiohttp-3.4.4-3.6.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:2012
    P
    		postgresql12-12.6-8.16.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:2034
    P
    		cloud-init-20.2-8.45.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:48869
    P
    		libraw9-0.15.4-3.88 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:48529
    P
    		libnm-glib-vpn1-1.0.12-8.6 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:48530
    P
    		libopenssl-devel-1.0.2j-55.1 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:48671
    P
    		freerdp-1.0.2-7.9 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:2014
    P
    		kernel-default-livepatch-4.12.14-23.1 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:48546
    P
    		libruby2_1-2_1-2.1.2-12.3 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:51152
    P
    		Security update for python3 (Important)
    2021-02-08
    oval:org.opensuse.security:def:51090
    P
    		Security update for xen (Important)
    2020-12-10
    oval:org.opensuse.security:def:2057
    P
    		davfs2-1.5.4-1.4 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2067
    P
    		libapr-util1-dbd-mysql-1.6.1-2.41 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2018
    P
    		apache2-mod_wsgi-4.5.18-2.27 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2069
    P
    		libecpg6-10.3-2.8 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2062
    P
    		gnuplot-5.2.2-1.109 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:49010
    P
    		libgadu3-1.11.4-1.12 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2023
    P
    		aws-cli-1.18.38-8.8.2 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2717
    P
    		Security update for flatpak (Moderate)
    2020-12-02
    oval:org.opensuse.security:def:2707
    P
    		Security update for bubblewrap (Important)
    2020-12-02
    oval:org.opensuse.security:def:49104
    P
    		glibc on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49489
    P
    		sane-backends on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49645
    P
    		libIlmImf-2_2-23 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49814
    P
    		ant on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49710
    P
    		ppp on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49258
    P
    		libwebp7 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49578
    P
    		libsrtp-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49741
    P
    		kernel-docs on GA media (Moderate)
    2020-12-01
    oval:com.redhat.rhsa:def:20190375
    P
    		RHSA-2019:0375: flatpak security update (Important)
    2019-02-19
    oval:com.ubuntu.bionic:def:201983080000000
    V
    		CVE-2019-8308 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-02-12
    oval:com.ubuntu.bionic:def:20198308000
    V
    		CVE-2019-8308 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-02-12
    oval:com.ubuntu.cosmic:def:20198308000
    V
    		CVE-2019-8308 on Ubuntu 18.10 (cosmic) - medium.
    2019-02-12
    oval:com.ubuntu.cosmic:def:201983080000000
    V
    		CVE-2019-8308 on Ubuntu 18.10 (cosmic) - medium.
    2019-02-12
    BACK
    flatpak flatpak *
    flatpak flatpak *
    flatpak flatpak *
    debian debian linux 9.0
    debian debian linux 10.0
    redhat enterprise linux desktop 7.0
    redhat enterprise linux server 7.0
    redhat enterprise linux server aus 7.6
    redhat enterprise linux server eus 7.6
    redhat enterprise linux server tus 7.6
    redhat enterprise linux workstation 7.0
    flatpak flatpak 1.0.6
    flatpak flatpak 1.2.2
    flatpak flatpak 1.1.0