CVE-2019-5736
Scores
EPSS
Percentile: 55.3%
CVSS
CVSS Score: 7.7/10
All CVSS Scores
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Local (L)
Describes how the vulnerability is exploited
Attack Complexity
High (H)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
Describes the level of privileges an attacker must possess
User Interaction
Required (R)
Captures the requirement for a human user participation
Scope
Changed (C)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Medium
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary (and consequently obtain host root access) by leveraging the ability to execute a command as root within one of these types of containers: (1) a new container with an attacker-controlled image, or (2) an existing container, to which the attacker previously had write access, that can be attached with docker exec. This occurs because of file-descriptor mishandling, related to /proc/self/exe.
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Sources
CWEs
Related Vulnerabilities
Exploits
Exploit ID: CVE-2019-5736
Source: github-poc
URL: https://github.com/sastraadiwiguna-purpleeliteteaming/Holistic-Deconstruction-of-CVE-2019-5736-
Recommendations
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
Source: nvd
Before applying this update, make sure all previously released errata relevant to your system have been applied.
See the following documentation for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update.
For OpenShift Container Platform 3.4:
https://docs.openshift.com/container-platform/3.4/release_notes/ocp_3_4_release_notes.html
For OpenShift Container Platform 3.5:
https://docs.openshift.com/container-platform/3.5/release_notes/ocp_3_5_release_notes.html
For OpenShift Container Platform 3.6:
https://docs.openshift.com/container-platform/3.6/release_notes/ocp_3_6_release_notes.html
For OpenShift Container Platform 3.7:
https://docs.openshift.com/container-platform/3.7/release_notes/ocp_3_7_release_notes.html
This update is available via the Red Hat Network. Details on how to use theRed Hat Network to apply this update are available athttps://access.redhat.com/articles/11258.
Source: nvd
The References section of this erratum contains a link to download CDK 3.7.0-1 (you must log in to download the update).
Instructions are provided in the Red Hat Container Development Kit Getting Started Guide linked in the References section.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
Vulnerable Software (42)
Type: Configuration
Product: docker
Operating System: rhel
{ "fixed": "1.13.1-91.git07f3374.el7"}
Source: redhat
Type: Configuration
Product: docker
Operating System: rhel
{ "fixed": "1.12.6-79.git5680db5.el7"}
Source: redhat
Type: Configuration
Product: docker
Operating System: rhel
{ "fixed": "1.12.6-79.git5680db5.el7"}
Source: redhat
Type: Configuration
Product: docker
Operating System: rhel
{ "fixed": "1.12.6-79.git5680db5.el7"}
Source: redhat
Type: Configuration
Product: docker
Operating System: rhel
{ "fixed": "1.12.6-79.git5680db5.el7"}
Source: redhat
Type: Configuration
Product: docker.io
Operating System: ubuntu bionic 18.04
{ "fixed": "18.06.1-0ubuntu1.2~18.04.1"}
Source: ubuntu
Type: Configuration
Product: docker.io
Operating System: ubuntu cosmic 18.10
{ "fixed": "18.06.1-0ubuntu1.2"}
Source: ubuntu
Type: Configuration
Product: docker.io
Operating System: ubuntu disco 19.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: docker.io
Operating System: ubuntu trusty 14.04
{ "unfixed": true}
Source: ubuntu
Type: Configuration
Product: docker.io
Operating System: ubuntu xenial 16.04
{ "fixed": "18.06.1-0ubuntu1.2~16.04.1"}
Source: ubuntu
Type: Configuration
Product: lxc
Operating System: altlinux
{ "fixed": "0:4.0.0-alt1"}
Source: redhat
Type: Configuration
Product: lxc
Operating System: debian
{ "fixed": "1:3.1.0+really3.0.3-4"}
Source: debian
Type: Configuration
Product: lxc
Operating System: astra 1.6.5
{ "unaffected": true}
Source: astra
Type: Configuration
Product: lxc-devel
Operating System: altlinux
{ "fixed": "0:4.0.0-alt1"}
Source: redhat
Type: Configuration
Product: lxc-libs
Operating System: altlinux
{ "fixed": "0:4.0.0-alt1"}
Source: redhat
Type: Configuration
Product: pam0_cgfs
Operating System: altlinux
{ "fixed": "0:4.0.0-alt1"}
Source: redhat
Type: Configuration
Product: runc
Operating System: debian
{ "fixed": "1.0.0~rc6+dfsg1-2"}
Source: debian
Type: Configuration
Product: runc
Operating System: ubuntu bionic 18.04
{ "fixed": "1.0.0~rc4+dfsg1-6ubuntu0.18.04.1"}
Source: ubuntu
Type: Configuration
Product: runc
Operating System: ubuntu cosmic 18.10
{ "fixed": "1.0.0~rc4+dfsg1-6ubuntu0.18.10.1"}
Source: ubuntu
Type: Configuration
Product: runc
Operating System: ubuntu xenial 16.04
{ "fixed": "1.0.0~rc2+docker1.13.1-0ubuntu1~16.04.1"}
Source: ubuntu