Microsoft Word/Word Viewer/Office Compatibility Pack Document use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Word, Word Viewer and Office Compatibility Pack. This affects an unknown part of the component Document Handler. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2015-1651. There is no exploit available. It is recommended to apply a patch to fix this issue. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Word, Word Viewer and Office Compatibility Pack (Word Processing Software) (affected version not known). Affected by this issue is some unknown functionality of the component Document Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in Microsoft Word 2007 SP3, Word Viewer, and Office Compatibility Pack SP3 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Component Use After Free Vulnerability."

The weakness was released 04/14/2015 by Ben Hawkes with Google Project Zero as MS15-033 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is handled as CVE-2015-1651 since 02/17/2015. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 82769 (MS15-033: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3048019)), 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 110252 (Microsoft Office Remote Code Execution Vulnerabilities (MS15-033)).

Applying the patch MS15-033 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19695.

The vulnerability is also documented in the databases at Tenable (82769), SecurityFocus (BID 74012†), SecurityTracker (ID 1032104†) and Vulnerability Center (SBV-49603†). Entries connected to this vulnerability are available at VDB-74835, VDB-74837, VDB-74844 and VDB-74845. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 82769
Nessus Name: MS15-033: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3048019)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 103094
OpenVAS Name: Microsoft Office Word Viewer Remote Code Execution Vulnerabilities (3048019)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS15-033
TippingPoint: 🔍
Fortigate IPS: 🔍

Timelineinfo

02/17/2015 🔍
04/14/2015 +56 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
04/15/2015 +0 days 🔍
05/06/2022 +2578 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-033
Researcher: Ben Hawkes
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2015-1651 (🔍)
GCVE (CVE): GCVE-0-2015-1651
GCVE (VulDB): GCVE-100-74846

OVAL: 🔍

SecurityFocus: 74012 - Microsoft Office CVE-2015-1651 Use After Free Remote Code Execution Vulnerability
SecurityTracker: 1032104 - Microsoft Office Memory Errors Let Remote Users Execute Arbitrary Code and Input Validation Flaw Permits Cross-Site Scripting Attacks
Vulnerability Center: 49603 - [MS15-033] Microsoft Multiple Office Products Remote Use After Free Vulnerability - CVE-2015-1651, Critical

See also: 🔍

Entryinfo

Created: 04/15/2015 10:34 AM
Updated: 05/06/2022 09:21 AM
Changes: 04/15/2015 10:34 AM (67), 06/26/2017 09:13 AM (15), 05/06/2022 09:21 AM (3)
Complete: 🔍
Cache ID: 18:857:40

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