Information Exposure Affecting criu-libs package, versions <0:3.18-4.module+el8.9.0+90147+a4870853


Severity

Recommended
medium

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.07% (31st percentile)

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  • Snyk ID SNYK-ORACLE8-CRIULIBS-6249210
  • published 16 Feb 2024
  • disclosed 5 Dec 2023

How to fix?

Upgrade Oracle:8 criu-libs to version 0:3.18-4.module+el8.9.0+90147+a4870853 or higher.
This issue was patched in ELSA-2024-2988.

NVD Description

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

Before Go 1.20, the RSA based TLS key exchanges used the math/big library, which is not constant time. RSA blinding was applied to prevent timing attacks, but analysis shows this may not have been fully effective. In particular it appears as if the removal of PKCS#1 padding may leak timing information, which in turn could be used to recover session key bits. In Go 1.20, the crypto/tls library switched to a fully constant time RSA implementation, which we do not believe exhibits any timing side channels.

CVSS Scores

version 3.1
Expand this section

NVD

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

Red Hat

7.5 high