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Cloud FoundryCFOUNDRY:2BB3E012A60E32B1D13F50D4254CA432

HistoryMar 31, 2017 - 12:00 a.m.

USN-3228-1: libevent vulnerabilities | Cloud Foundry

2017-03-3100:00:00

Cloud Foundry

www.cloudfoundry.org

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:3.1/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

0.006 Low

EPSS

Percentile

79.1%

JSON

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

Canonical Ubuntu 14.04

Description

Guido Vranken discovered that libevent incorrectly handled memory when processing certain data. A remote attacker could possibly use this issue with an application that uses libevent to cause a denial of service, or possibly execute arbitrary code.

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.

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.