Microsoft Windows up to XP Font Parser code injection

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Windows up to XP. The affected element is an unknown function of the component Font Parser. This manipulation causes code injection. This vulnerability appears as CVE-2012-2556. The attack may be initiated remotely. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Microsoft Windows up to XP (Operating System) and classified as very critical. Affected by this vulnerability is an unknown code of the component Font Parser. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The OpenType Font (OTF) driver in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, Windows 7 Gold and SP1, Windows 8, Windows Server 2012, and Windows RT allows remote attackers to execute arbitrary code via a crafted OpenType font file, aka "OpenType Font Parsing Vulnerability."

The bug was discovered 12/11/2012. The weakness was presented 12/11/2012 by Eetu Loudemaa and Joni Vähämäki with Documill as MS12-078 as confirmed bulletin (Microsoft Technet). It is possible to read the advisory at technet.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is known as CVE-2012-2556 since 05/09/2012. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/20/2021). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 63225 (MS12-078: Vulnerability in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2783534)), 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 90848 (Microsoft Windows Kernel-Mode Drivers Remote Code Execution Vulnerability (MS12-078)).

Applying the patch MS12-078 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12680.

The vulnerability is also documented in the databases at X-Force (80352), Tenable (63225), SecurityFocus (BID 56841†), OSVDB (88316†) and Secunia (SA51459†). See VDB-7128 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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  • end of life (old version)

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 63225
Nessus Name: MS12-078: Vulnerability in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2783534)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS12-078
TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

05/09/2012 🔍
12/06/2012 +211 days 🔍
12/10/2012 +4 days 🔍
12/11/2012 +0 days 🔍
12/11/2012 +0 days 🔍
12/11/2012 +0 days 🔍
12/11/2012 +0 days 🔍
12/11/2012 +0 days 🔍
12/11/2012 +0 days 🔍
12/12/2012 +1 days 🔍
12/14/2012 +2 days 🔍
04/20/2021 +3049 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS12-078
Researcher: Eetu Loudemaa, Joni Vähämäki
Organization: Documill
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-2556 (🔍)
GCVE (CVE): GCVE-0-2012-2556
GCVE (VulDB): GCVE-100-7123

OVAL: 🔍

X-Force: 80352
SecurityFocus: 56841
Secunia: 51459 - Microsoft Windows OpenType and TrueType Font Parsing Vulnerabilities, Highly Critical
OSVDB: 88316
SecurityTracker: 1027856
Vulnerability Center: 37648 - [MS12-078] Microsoft OpenType Font Driver Allows Remote Code Execution via a Crafted OTF File, Critical

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 12/14/2012 18:10
Updated: 04/20/2021 09:32
Changes: 12/14/2012 18:10 (53), 08/19/2018 19:56 (25), 04/20/2021 09:25 (8), 04/20/2021 09:29 (2), 04/20/2021 09:32 (1)
Complete: 🔍
Committer:
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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