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cloudfoundryCloud FoundryCFOUNDRY:CF89193C99AC288DE3D65F1F9BD52F1A
HistoryMay 23, 2022 - 12:00 a.m.

USN-5352-1: Libtasn1 vulnerability | Cloud Foundry

2022-05-2300:00:00
Cloud Foundry
www.cloudfoundry.org
10

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

58.4%

Severity

Negligible

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04

Description

It was discovered that Libtasn1 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service.

CVEs contained in this USN include: CVE-2018-1000654.

Affected Cloud Foundry Products and Versions

Severity is negligible unless otherwise noted.

  • CF Deployment
    • All versions with Xenial Stemcells prior to 621.236

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

  • CF Deployment
    • For all versions, upgrade Xenial Stemcells to 621.236 or greater

References

History

2022-05-23: Initial vulnerability report published.

CPENameOperatorVersion
cf deploymentlt621.236

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

58.4%