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Exposed Dangerous Method or Function Affecting python3-libs package, versions <0:3.6.8-15.1.el8

Severity

 Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.35% (73rd percentile)

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  • Snyk ID SNYK-RHEL8-PYTHON3LIBS-3528518
  • published 26 Jul 2021
  • disclosed 23 Mar 2019
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Introduced: 23 Mar 2019

CVE-2019-9948 Open this link in a new tab
CWE-749 Open this link in a new tab

How to fix?

Upgrade RHEL:8 python3-libs to version 0:3.6.8-15.1.el8 or higher.
This issue was patched in RHSA-2019:3520.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-libs package and not the python3-libs package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen('local_file:///etc/passwd') call.

References

CVSS Scores

version 3.1
Expand this section

NVD

9.1 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    None