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Cloud FoundryCFOUNDRY:301EA79552728C3E2FE408E0DAA6CADB

HistoryNov 27, 2017 - 12:00 a.m.

USN-3457-1: curl vulnerability | Cloud Foundry

2017-11-2700:00:00

Cloud Foundry

www.cloudfoundry.org

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.022 Low

EPSS

Percentile

89.3%

JSON

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

Canonical Ubuntu 14.04

Description

Brian Carpenter discovered that curl incorrectly handled IMAP FETCH response lines. A remote attacker could use this issue to cause curl to crash, resulting in 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:
- 3421.x versions prior to 3421.32
- 3445.x versions prior to 3445.17
- 3468.x versions prior to 3468.11
- All other stemcells not listed.
All versions of Cloud Foundry cflinuxfs2 prior to 1.163.0

Mitigation

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

The Cloud Foundry project recommends upgrading the following BOSH stemcells:
- Upgrade 3421.x versions prior to 3421.32
- Upgrade 3445.x versions prior to 3445.17
- Upgrade 3468.x versions prior to 3468.11
- All other stemcells should be upgraded to the latest version available on bosh.io.
The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.163.0 or later.