Microsoft Windows up to Vista Secure Channel FREAK cryptographic issue
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Microsoft Windows up to Vista. This affects an unknown part of the component Secure Channel. The manipulation results in cryptographic issue (FREAK). This vulnerability was named CVE-2015-1637. The attack may be performed from remote. In addition, an exploit is available. This vulnerability has historical importance owing to its background and reception. A patch should be applied to remediate this issue.
Details
A vulnerability, which was classified as critical, was found in Microsoft Windows up to Vista (Operating System). Affected is an unknown function of the component Secure Channel. The manipulation with an unknown input leads to a cryptographic issue vulnerability (FREAK). CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, and integrity.
The weakness was presented 03/05/2015 with Microsoft as MS15-031 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is traded as CVE-2015-1637 since 02/17/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/30/2024). This vulnerability is assigned to T1600 by the MITRE ATT&CK project. This vulnerability has a historic impact due to its background and reception.
The exploit is shared for download at smacktls.com. It is declared as functional. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 81745 (MS15-031: Vulnerability in Schannel Could Allow Security Feature Bypass (3046049) (FREAK)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91025 (Microsoft Schannel Security Feature Bypass Vulnerability (MS15-031) (FREAK)).
Applying the patch MS15-031 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (101341), Tenable (81745), SecurityFocus (BID 72965†), SecurityTracker (ID 1031833†) and Vulnerability Center (SBV-48896†). Further details are available at technet.microsoft.com. See VDB-73926 and VDB-73927 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.5
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: FREAKClass: Cryptographic issue / FREAK
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Functional
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 81745
Nessus Name: MS15-031: Vulnerability in Schannel Could Allow Security Feature Bypass (3046049) (FREAK)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: MS15-031
Suricata ID: 2020630
Suricata Class: 🔍
Suricata Message: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
Fortigate IPS: 🔍
Timeline
02/17/2015 🔍03/05/2015 🔍
03/05/2015 🔍
03/05/2015 🔍
03/05/2015 🔍
03/05/2015 🔍
03/06/2015 🔍
03/06/2015 🔍
03/06/2015 🔍
03/10/2015 🔍
11/30/2024 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: MS15-031
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-1637 (🔍)
GCVE (CVE): GCVE-0-2015-1637
GCVE (VulDB): GCVE-100-69258
OVAL: 🔍
X-Force: 101341 - Microsoft Secure Channel security bypass
SecurityFocus: 72965 - Microsoft Secure Channel CVE-2015-1637 Man in the Middle Security Bypass Vulnerability
SecurityTracker: 1031833 - Windows Schannel TLS Export Cipher Bug Lets Remote Users Downgrade Session Security
Vulnerability Center: 48896 - [MS15-031] Microsoft Windows Remote Security Bypass via a man-in-the-middle Attack Related to Freak Attack, Medium
scip Labs: https://www.scip.ch/en/?labs.20140213
Misc.: 🔍
See also: 🔍
Entry
Created: 03/06/2015 09:55Updated: 11/30/2024 12:09
Changes: 03/06/2015 09:55 (82), 04/07/2017 14:52 (12), 03/11/2022 01:59 (3), 03/11/2022 02:07 (1), 11/30/2024 12:09 (16)
Complete: 🔍
Cache ID: 216:D4E:103
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