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runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. (This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.)
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
CVE-2019-19921 - High Severity Vulnerability
Vulnerable Library - github.com/opencontainers/runc-v1.0.0-rc8
CLI tool for spawning and running containers according to the OCI specification
Library home page: https://proxy.golang.org/github.com/opencontainers/runc/@v/v1.0.0-rc8.zip
Path to dependency file: /go.mod
Path to vulnerable library: /go.mod
Dependency Hierarchy: - github.com/fsouza/go-dockerclient-v1.7.0 (Root Library) - github.com/docker/docker-v20.10.0-beta1.0.20201113105859-b6bfff2a628f+incompatible - :x: **github.com/opencontainers/runc-v1.0.0-rc8** (Vulnerable Library)
Found in HEAD commit: ddd974009afe8d2f73f37b444e34d7b8084c235a
Found in base branch: master
Vulnerability Details
runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. (This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.)
Publish Date: 2020-02-12
URL: CVE-2019-19921
CVSS 3 Score Details (7.0)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: High - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19921
Release Date: 2020-03-11
Fix Resolution: v1.0.0-rc10
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