Access Restriction Bypass Affecting busybox package, versions <1:1.15.1-20.el6


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-RHEL6-BUSYBOX-1474461
  • published 26 Jul 2021
  • disclosed 1 Mar 2013

How to fix?

Upgrade RHEL:6 busybox to version 1:1.15.1-20.el6 or higher.
This issue was patched in RHSA-2013:1732.

NVD Description

Note: Versions mentioned in the description apply only to the upstream busybox package and not the busybox package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

util-linux/mdev.c in BusyBox before 1.21.0 uses 0777 permissions for parent directories when creating nested directories under /dev/, which allows local users to have unknown impact and attack vectors.

CVSS Scores

version 3.1
Expand this section

NVD

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

Red Hat

5.1 medium