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cloudfoundryCloud FoundryCFOUNDRY:E69070BE1B32A3FF3543613ADA8AF4D3
HistoryJan 26, 2023 - 12:00 a.m.

USN-5767-1: Python vulnerabilities | Cloud Foundry

2023-01-2600:00:00
Cloud Foundry
www.cloudfoundry.org
16
python vulnerabilities
canonical ubuntu
cloud foundry
sha-3 internals
idna inputs
cve-2022-37454
cve-2022-45061
bionic stemcells
cflinuxfs3
jammy stemcells
cf deployment
mitigation
update instructions

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.025 Low

EPSS

Percentile

90.2%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04
  • Canonical Ubuntu 22.04

Description

Nicky Mouha discovered that Python incorrectly handled certain SHA-3 internals. An attacker could possibly use this issue to cause a crash or execute arbitrary code. (CVE-2022-37454) It was discovered that Python incorrectly handled certain IDNA inputs. An attacker could possibly use this issue to expose sensitive information denial of service, or cause a crash. (CVE-2022-45061) Update Instructions: Run sudo pro fix USN-5767-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: python3.8-minimal – 3.8.10-0ubuntu1~20.04.6 python3.8-full – 3.8.10-0ubuntu1~20.04.6 libpython3.8-minimal – 3.8.10-0ubuntu1~20.04.6 python3.8-examples – 3.8.10-0ubuntu1~20.04.6 python3.8-dev – 3.8.10-0ubuntu1~20.04.6 libpython3.8-stdlib – 3.8.10-0ubuntu1~20.04.6 python3.8-venv – 3.8.10-0ubuntu1~20.04.6 libpython3.8 – 3.8.10-0ubuntu1~20.04.6 idle-python3.8 – 3.8.10-0ubuntu1~20.04.6 libpython3.8-testsuite – 3.8.10-0ubuntu1~20.04.6 libpython3.8-dev – 3.8.10-0ubuntu1~20.04.6 python3.8 – 3.8.10-0ubuntu1~20.04.6 python3.8-doc – 3.8.10-0ubuntu1~20.04.6 No subscription required

CVEs contained in this USN include: CVE-2022-37454, CVE-2022-45061.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.169
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.346.0
  • Jammy Stemcells
    • 1.x versions prior to 1.80
    • All other stemcells not listed.
  • CF Deployment
    • All versions prior to 24.1.0, or later versions with Bionic Stemcells prior to 1.169 or Jammy Stemcells prior to 1.80

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below.

The Cloud Foundry project recommends upgrading the following releases:

  • Bionic Stemcells
    • Upgrade 1.x versions to 1.169 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.346.0 or greater
  • Jammy Stemcells
    • Upgrade 1.x versions to 1.80 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • CF Deployment
    • Upgrade all versions to 24.1.0 or greater, upgrade Bionic Stemcells to 1.169 or greater, and upgrade Jammy Stemcells to 1.80 or greater

References

History

2023-01-26: Initial vulnerability report published.

Affected configurations

Vulners
Node
cloudfoundrygorouterRange<1.169
OR
cloudfoundrygorouterRange<0.346.0
OR
cloudfoundrygorouterRange<1.80
OR
cloudfoundrycf-deploymentRange<24.1.0

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.025 Low

EPSS

Percentile

90.2%