Improper Check for Unusual or Exceptional Conditions Affecting cri-o package, versions <0:1.20.3-6.rhaos4.7.git0d0f863.el7


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
1.18% (86th percentile)

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  • Snyk IDSNYK-RHEL7-CRIO-5245781
  • published26 Jul 2021
  • disclosed3 Jun 2021

Introduced: 3 Jun 2021

CVE-2021-3560  (opens in a new tab)
CWE-754  (opens in a new tab)

How to fix?

Upgrade RHEL:7 cri-o to version 0:1.20.3-6.rhaos4.7.git0d0f863.el7 or higher.
This issue was patched in RHSA-2021:2555.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cri-o package and not the cri-o package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS Scores

version 3.1