Inefficient Regular Expression Complexity Affecting python39-cryptography package, versions <0:3.3.1-3.0.1.module+el8.10.0+90269+2fa22b99


Severity

Recommended
medium

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.11% (45th percentile)

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  • Snyk ID SNYK-ORACLE8-PYTHON39CRYPTOGRAPHY-8305751
  • published 26 Oct 2024
  • disclosed 3 Sep 2024

How to fix?

Upgrade Oracle:8 python39-cryptography to version 0:3.3.1-3.0.1.module+el8.10.0+90269+2fa22b99 or higher.
This issue was patched in ELSA-2024-8359.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python39-cryptography package and not the python39-cryptography package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

There is a MEDIUM severity vulnerability affecting CPython.

Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.

CVSS Scores

version 3.1
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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)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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SUSE

7.5 high
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Red Hat

7.5 high