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cloudfoundryCloud FoundryCFOUNDRY:1FADA9381D34B289E7F3C6276D1C4DDE
HistoryApr 29, 2023 - 12:00 a.m.

USN-6028-1: libxml2 vulnerabilities | Cloud Foundry

2023-04-2900:00:00
Cloud Foundry
www.cloudfoundry.org
14
libxml2 vulnerabilities
canonical ubuntu
xml files
cve-2023-28484
cve-2023-29469
cloud foundry
bionic stemcells
cflinuxfs3
cflinuxfs4
jammy stemcells
cf deployment
upgrade instructions

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

46.5%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04
  • Canonical Ubuntu 22.04

Description

It was discovered that lixml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. (CVE-2023-28484) It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash. (CVE-2023-29469) Update Instructions: Run sudo pro fix USN-6028-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libxml2 – 2.9.3+dfsg1-1ubuntu0.7+esm5 libxml2-dev – 2.9.3+dfsg1-1ubuntu0.7+esm5 python-libxml2 – 2.9.3+dfsg1-1ubuntu0.7+esm5 libxml2-doc – 2.9.3+dfsg1-1ubuntu0.7+esm5 libxml2-utils – 2.9.3+dfsg1-1ubuntu0.7+esm5 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

CVEs contained in this USN include: CVE-2023-28484, CVE-2023-29469.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.195
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.362.0
  • cflinuxfs4
    • All versions prior to 1.6.0
  • Jammy Stemcells
    • 1.x versions prior to 1.105
    • All other stemcells not listed.
  • CF Deployment
    • All versions prior to 28.0.0, or later versions with Jammy Stemcells prior to 1.105 or Bionic Stemcells prior to 1.195

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 1.195 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.362.0 or greater
  • cflinuxfs4
    • Upgrade all versions to 1.6.0 or greater
  • Jammy Stemcells
    • Upgrade 1.x versions to 1.105 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • CF Deployment
    • Upgrade all versions to 28.0.0 or greater, upgrade Jammy Stemcells to 1.105 or greater, and upgrade Bionic Stemcells to 1.195 or greater

References

History

2023-04-29: Initial vulnerability report published.

Affected configurations

Vulners
Node
cloudfoundrygorouterRange<1.195
OR
cloudfoundrygorouterRange<0.362.0
OR
cloudfoundrygorouterRange<1.6.0
OR
cloudfoundrygorouterRange<1.105
OR
cloudfoundrycf-deploymentRange<28.0.0

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

46.5%