McAfee File Lock Driver 5.x IOCTL Call McPvDrv.sys Vault GUID 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$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in McAfee File Lock Driver 5.x. This affects an unknown part of the file McPvDrv.sys of the component IOCTL Call Handler. Such manipulation of the argument Vault GUID leads to memory corruption. This vulnerability is referenced as CVE-2015-8773. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in McAfee File Lock Driver 5.x (Hardware Driver Software). It has been rated as critical. Affected by this issue is an unknown part of the file McPvDrv.sys of the component IOCTL Call Handler. The manipulation of the argument Vault GUID 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. CVE summarizes:

Stack-based buffer overflow in McPvDrv.sys 4.6.111.0 in McAfee File Lock 5.x in McAfee Total Protection allows attackers to cause a denial of service (system crash) via a long vault GUID in an ioctl call.

The weakness was published 01/26/2016 as not defined mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. This vulnerability is handled as CVE-2015-8773 since 01/17/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/29/2018).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (110240). Similar entry is available at VDB-80719. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

OpenVAS ID: 800619
OpenVAS Name: McAfee Total Protection Multiple Vulnerabilities (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/17/2016 🔍
01/26/2016 +9 days 🔍
01/29/2016 +3 days 🔍
01/29/2016 +0 days 🔍
10/29/2018 +1004 days 🔍

Sourcesinfo

Vendor: mcafee.com

Advisory: seclists.org
Status: Not defined

CVE: CVE-2015-8773 (🔍)
GCVE (CVE): GCVE-0-2015-8773
GCVE (VulDB): GCVE-100-80720
X-Force: 110240 - McAfee File Lock Driver McPvDrv.sys buffer overflow

See also: 🔍

Entryinfo

Created: 01/29/2016 10:45
Updated: 10/29/2018 06:05
Changes: 01/29/2016 10:45 (61), 10/29/2018 06:05 (6)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!