Incorrect Default Permissions Affecting podman-catatonit package, versions <2:4.0.2-8.module+el8.7.0+16520+2db5507d


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.05% (16th percentile)

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  • Snyk ID SNYK-CENTOS8-PODMANCATATONIT-3107935
  • published 7 Jun 2022
  • disclosed 13 May 2022

How to fix?

Upgrade Centos:8 podman-catatonit to version 2:4.0.2-8.module+el8.7.0+16520+2db5507d or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream podman-catatonit package and not the podman-catatonit package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. A bug was found in runc prior to version 1.1.2 where runc exec --cap created processes with non-empty inheritable Linux process capabilities, creating an atypical Linux environment and enabling programs with inheritable file capabilities to elevate those capabilities to the permitted set during execve(2). This bug did not affect the container security sandbox as the inheritable set never contained more capabilities than were included in the container's bounding set. This bug has been fixed in runc 1.1.2. This fix changes runc exec --cap behavior such that the additional capabilities granted to the process being executed (as specified via --cap arguments) do not include inheritable capabilities. In addition, runc spec is changed to not set any inheritable capabilities in the created example OCI spec (config.json) file.

CVSS Scores

version 3.1
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NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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Red Hat

5.6 medium
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SUSE

4 medium