Microsoft Windows up to Vista TrueType Font Parser input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Microsoft Windows up to Vista. This affects an unknown part of the component TrueType Font Parser. Such manipulation leads to input validation. This vulnerability is traded as CVE-2015-2463. The attack may be launched remotely. Furthermore, there is an exploit available. Applying a patch is advised to resolve this issue.
Details
A vulnerability, which was classified as critical, has been found in Microsoft Windows up to Vista (Operating System). Affected by this issue is an unknown part of the component TrueType Font Parser. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability.
The weakness was shared 08/11/2015 by Mateusz Jurczyk with Google Inc. as MS15-080 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is handled as CVE-2015-2463 since 03/19/2015. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.
The exploit is available at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 85347 (Microsoft Silverlight < 5.1.40728.0 Multiple Vulnerabilities (MS15-080) (Mac OS X)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91085 (Microsoft Graphics Component Remote Code Execution Vulnerability (MS15-080)).
Applying the patch MS15-080 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 20325.
The vulnerability is also documented in the databases at Tenable (85347), SecurityFocus (BID 76239†), SecurityTracker (ID 1033238†) and Vulnerability Center (SBV-51833†). The entries VDB-77015, VDB-77016, VDB-77017 and VDB-77018 are related to this item. 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: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 85347
Nessus Name: Microsoft Silverlight < 5.1.40728.0 Multiple Vulnerabilities (MS15-080) (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: MS15-080
TippingPoint: 🔍
Fortigate IPS: 🔍
Timeline
03/19/2015 🔍08/11/2015 🔍
08/11/2015 🔍
08/11/2015 🔍
08/11/2015 🔍
08/11/2015 🔍
08/12/2015 🔍
08/12/2015 🔍
08/14/2015 🔍
05/23/2025 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: MS15-080
Researcher: Mateusz Jurczyk
Organization: Google Inc.
Status: Confirmed
CVE: CVE-2015-2463 (🔍)
GCVE (CVE): GCVE-0-2015-2463
GCVE (VulDB): GCVE-100-77024
SecurityFocus: 76239 - Microsoft Windows TrueType Fonts CVE-2015-2463 Remote Code Execution Vulnerability
SecurityTracker: 1033238 - Microsoft Graphics Component Bugs Let Remote Users Execute Arbitrary Code and Remote Authenticated Users Bypass Security Features and Gain Elevated Privileges
Vulnerability Center: 51833 - [MS15-080] Microsoft Window, .NET, Office, Lync and Silverlight Remote Code Execution in OpenType Font Parsing - CVE-2015-2463, Critical
scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍
Entry
Created: 08/12/2015 11:59Updated: 05/23/2025 21:23
Changes: 08/12/2015 11:59 (66), 05/03/2019 06:54 (16), 06/08/2022 04:53 (4), 06/08/2022 05:05 (2), 05/23/2025 21:23 (14)
Complete: 🔍
Cache ID: 216::103
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