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HTTP Response Splitting Affecting python3-idle package, versions <0:3.6.8-24.el8_2

Severity

 Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.35% (73rd percentile)

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  • Snyk ID SNYK-RHEL8-PYTHON3IDLE-3966513
  • published 26 Jul 2021
  • disclosed 10 Feb 2020
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Introduced: 10 Feb 2020

CVE-2020-26116 Open this link in a new tab
CWE-113 Open this link in a new tab

How to fix?

Upgrade RHEL:8 python3-idle to version 0:3.6.8-24.el8_2 or higher.
This issue was patched in RHSA-2021:3366.

NVD Description

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

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request.

References

CVSS Scores

version 3.1
Expand this section

NVD

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

Red Hat

6.5 medium
Expand this section

SUSE

6.8 medium