Vulnerability Monitor

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CVE-2015-1852

The s3_token middleware in OpenStack keystonemiddleware before 1.6.0 and python-keystoneclient before 1.4.0 disables certification verification when the "insecure" option is set in a paste configuration (paste.ini) file regardless of the value, which allows remote attackers to conduct man-in-the-middle attacks via a crafted certificate, a different vulnerability than CVE-2014-7144.

Security Impact Summary

CVE-2015-1852 is a security vulnerability that . Impacting 3 products from openstack, from openstack, from canonical organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-04-17T17:59:02.653

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-17

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openstack	keystonemiddleware	≤ 1.5.0	Yes
Application	openstack	python-keystoneclient	≤ 1.3.0	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.04	Yes

References

http://lists.openstack.org/pipermail/openstack-announce/2015-April/000350.html Vendor Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1677.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1685.html ([email protected])
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html ([email protected])
http://www.securityfocus.com/bid/74187 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2705-1 Third Party Advisory ([email protected])
https://bugs.launchpad.net/keystonemiddleware/+bug/1411063 ([email protected])
http://lists.openstack.org/pipermail/openstack-announce/2015-April/000350.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1677.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1685.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/74187 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2705-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.launchpad.net/keystonemiddleware/+bug/1411063 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openstack's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.