OpenStack keystonemiddleware s3_token Middleware paste.ini code
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in OpenStack keystonemiddleware and classified as critical. The affected element is an unknown function of the file paste.ini of the component s3_token Middleware. Performing a manipulation results in an unknown weakness. This vulnerability is known as CVE-2015-1852. No exploit is available. The affected component should be upgraded.
Details
A vulnerability classified as critical has been found in OpenStack keystonemiddleware (Cloud Software) (the affected version unknown). This affects an unknown part of the file paste.ini of the component s3_token Middleware. The manipulation with an unknown input leads to a code vulnerability. CWE is classifying the issue as CWE-17. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:
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.
The weakness was published 04/17/2015 (Website). It is possible to read the advisory at bugs.launchpad.net. This vulnerability is uniquely identified as CVE-2015-1852 since 02/17/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.
By approaching the search of inurl:paste.ini it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 84855 (Fedora 22 : python-keystonemiddleware-1.3.2-1.fc22 (2015-11656)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196206 (Ubuntu Security Notification for Python-keystoneclient, Python-keystonemiddleware Vulnerabilities (USN-2705-1)).
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (84855), SecurityFocus (BID 74187†) and Vulnerability Center (SBV-49955†). Similar entry is available at VDB-71768. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.openstack.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: CodeCWE: CWE-17
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 84855
Nessus Name: Fedora 22 : python-keystonemiddleware-1.3.2-1.fc22 (2015-11656)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 867773
OpenVAS Name: Fedora Update for python-keystonemiddleware FEDORA-2015-11656
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
02/17/2015 🔍04/16/2015 🔍
04/17/2015 🔍
04/17/2015 🔍
04/17/2015 🔍
04/18/2015 🔍
05/03/2015 🔍
05/09/2022 🔍
Sources
Vendor: openstack.orgAdvisory: USN-2705-1
Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-1852 (🔍)
GCVE (CVE): GCVE-0-2015-1852
GCVE (VulDB): GCVE-100-75015
SecurityFocus: 74187 - OpenStack Keystonemiddleware CVE-2015-1852 Certificate Validation Security Bypass Vulnerability
Vulnerability Center: 49955 - OpenStack Keystonemiddleware <1.6.0 and Python-Keystoneclient <1.3.1 Remote Security Bypass, Medium
See also: 🔍
Entry
Created: 04/18/2015 09:57Updated: 05/09/2022 11:53
Changes: 04/18/2015 09:57 (59), 06/28/2017 06:17 (12), 05/09/2022 11:38 (3), 05/09/2022 11:45 (1), 05/09/2022 11:53 (1)
Complete: 🔍
Cache ID: 216:6ED:103
No comments yet. Languages: en.
Please log in to comment.