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cloudfoundryCloud FoundryCFOUNDRY:34F7A6F1E2017D755562A0A6438CB284
HistoryMar 31, 2017 - 12:00 a.m.

USN-3201-1: Bind vulnerabilities | Cloud Foundry

2017-03-3100:00:00
Cloud Foundry
www.cloudfoundry.org
6

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.096 Low

EPSS

Percentile

94.6%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 14.04

Description

It was discovered that Bind incorrectly handled rewriting certain query responses when using both DNS64 and RPZ. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Cloud Foundry BOSH stemcells are vulnerable, including:
    • 3151.x versions prior to 3151.14
    • 3233.x versions prior to 3233.16
    • 3263.x versions prior to 3263.22
    • 3312.x versions prior to 3312.22
    • 3363.x versions prior to 3363.14
    • All other stemcells not listed.
  • All versions of Cloud Foundry cflinuxfs2 prior to 1.102.0

Mitigation

OSS users are strongly encouraged to follow one of the mitigations below:

  • The Cloud Foundry project recommends upgrading the following BOSH stemcells:
    • Upgrade 3151.x versions to 3151.14 or later
    • Upgrade 3233.x versions to 3233.16 or later
    • Upgrade 3263.x versions to 3263.22 or later
    • Upgrade 3312.x versions to 3312.22 or later
    • Upgrade 3363.x versions to 3363.14 or later
    • All other stemcells should be upgraded to the latest version.
  • The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 versions 1.102.0 or later.

References

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.096 Low

EPSS

Percentile

94.6%

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