Covert Timing Channel Affecting cri-tools package, versions <0:1.18.0-3.el7


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.23% (62nd percentile)

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  • Snyk IDSNYK-RHEL7-CRITOOLS-5245973
  • published26 Mar 2023
  • disclosed9 Nov 2020

Introduced: 9 Nov 2020

CVE-2020-25658  (opens in a new tab)
CWE-385  (opens in a new tab)

How to fix?

Upgrade RHEL:7 cri-tools to version 0:1.18.0-3.el7 or higher.
This issue was patched in RHSA-2020:5634.

NVD Description

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

It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.

CVSS Scores

version 3.1