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cloudfoundryCloud FoundryCFOUNDRY:A6F4BC0FC82B203A22875A956C0D0896
HistoryMar 15, 2022 - 12:00 a.m.

USN-5247-1: Vim vulnerabilities | Cloud Foundry

2022-03-1500:00:00
Cloud Foundry
www.cloudfoundry.org
15

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

40.7%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04

Description

It was discovered that vim incorrectly handled parsing of filenames in its search functionality. If a user was tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service. This issue only affected Ubuntu 21.10. (CVE-2021-3973) It was discovered that vim incorrectly handled memory when opening and searching the contents of certain files. If a user was tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2021-3974) It was discovered that vim incorrectly handled memory when opening and editing certain files. If a user was tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2021-3984) It was discovered that vim incorrectly handled memory when opening and editing certain files. If a user was tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. (CVE-2021-4019) It was discovered that vim incorrectly handled memory when opening and editing certain files. If a user was tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges.(CVE-2021-4069)

CVEs contained in this USN include: CVE-2021-3973, CVE-2021-3974, CVE-2021-3984, CVE-2021-4019, CVE-2021-4069.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.59
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.273.0
  • CF Deployment
    • All versions prior to 18.0.0

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 1.59 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.273.0 or greater
  • CF Deployment
    • Upgrade all versions to 18.0.0 or greater

References

History

2022-03-08: Initial vulnerability report published.

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

40.7%

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