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Cloud FoundryCFOUNDRY:9AF6A00A0CE20D53208404A775157439
HistoryMar 14, 2017 - 12:00 a.m.

USN-3205-1: tcpdump vulnerabilities | Cloud Foundry

2017-03-1400:00:00
Cloud Foundry
www.cloudfoundry.org
16

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.378 Low

EPSS

Percentile

97.1%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 14.04 LTS

Description

It was discovered that tcpdump incorrectly handled certain packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code.

In the default installation, attackers would be isolated by the tcpdump AppArmor profile.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Cloud Foundry BOSH stemcells are vulnerable, including:
    • 3151.x versions prior to 3151.11
    • 3233.x versions prior to 3233.14
    • 3263.x versions prior to 3263.20
    • 3312.x versions prior to 3312.20
    • 3363.x versions prior to 3363.9
    • All versions of Cloud Foundry cflinuxfs2 prior to v1.103.0

Mitigation

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

  • The Cloud Foundry team recommends upgrading to the following BOSH stemcells:
    • Upgrade 3151.x versions to 3151.11 or later
    • Upgrade 3233.x versions to 3233.14 or later
    • Upgrade 3263.x versions to 3263.20 or later
    • Upgrade 3312.x versions to 3312.20 or later
    • Upgrade 3363.x versions to 3363.9 or later
    • The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 v1.103.00 or later versions

References

How to protect your server from attacks?

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.378 Low

EPSS

Percentile

97.1%

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