Microsoft Office 2007 SP3/2010 SP2/2013 SP1/2016 memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Office 2007 SP3/2010 SP2/2013 SP1/2016. It has been declared as critical. This issue affects some unknown processing. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2017-11882. The attack may be performed from remote. In addition, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Office 2007 SP3/2010 SP2/2013 SP1/2016 (Office Suite Software). Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 11/14/2017. The weakness was presented 11/14/2017 with Embedi as KB4011276 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2017-11882 since 07/31/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The advisory points out:

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

The exploit is available at exploit-db.com. It is declared as attacked. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 104557 (Security Updates for Microsoft Office Products (November 2017)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110308 (Microsoft Office and Microsoft Office Services and Web Apps Security Update November 2017). This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/03/2022:

Apply updates per vendor instructions.

Applying the patch KB4011276 is able to eliminate this problem. The bugfix is ready for download at catalog.update.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (43163), Tenable (104557) and SecurityFocus (BID 101757†). See VDB-109381, VDB-109385, VDB-109386 and VDB-109391 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 104557
Nessus Name: Security Updates for Microsoft Office Products (November 2017)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56909
OpenVAS Name: Microsoft Office 2013 Service Pack 1 Remote Code Execution Vulnerability (KB3162047)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: office_ms17_11882.rb
MetaSploit Name: Steinberg MyMP3Player 3.0 Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: KB4011276

Timelineinfo

07/31/2017 🔍
11/14/2017 +106 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/15/2017 +1 days 🔍
02/10/2025 +2644 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: KB4011276
Organization: Embedi
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-11882 (🔍)
GCVE (CVE): GCVE-0-2017-11882
GCVE (VulDB): GCVE-100-109388

OVAL: 🔍

CERT: 🔍
SecurityFocus: 101757 - Microsoft Office CVE-2017-11882 Memory Corruption Vulnerability
SecurityTracker: 1039783

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 11/15/2017 11:05
Updated: 02/10/2025 21:51
Changes: 11/15/2017 11:05 (80), 12/06/2019 13:15 (12), 01/23/2021 17:00 (3), 04/20/2024 14:09 (24), 09/09/2024 22:29 (1), 12/25/2024 10:11 (1), 02/10/2025 21:51 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!