VDB-114775 · CVE-2014-2885 · OSVDB 105936

TrueCrypt 7.1a EncryptedIoQueue.c ProcessVolumeDeviceControlIrp resource consumption

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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in TrueCrypt 7.1a and classified as critical. Affected by this issue is the function ProcessVolumeDeviceControlIrp of the file EncryptedIoQueue.c. This manipulation causes resource consumption. This vulnerability is registered as CVE-2014-2885. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in TrueCrypt 7.1a. It has been declared as critical. Affected by this vulnerability is the function ProcessVolumeDeviceControlIrp of the file EncryptedIoQueue.c. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in TrueCrypt 7.1a allow local users to (1) obtain sensitive information via vectors involving a crafted item->OriginalLength value in the MainThreadProc function in EncryptedIoQueue.c or (2) cause a denial of service (memory consumption) via vectors involving large StartingOffset and Length values in the ProcessVolumeDeviceControlIrp function in Ntdriver.c.

The bug was discovered 04/17/2014. The weakness was published 03/19/2018 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2014-2885 since 04/17/2014. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1432 days. During that time the estimated underground price was around $0-$5k.

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 OSVDB (105936†). Similar entry is available at VDB-114774. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

TrueCrypt

Version

7.1a

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/17/2014 🔍
04/17/2014 +0 days 🔍
03/19/2018 +1432 days 🔍
03/19/2018 +0 days 🔍
03/20/2018 +1 days 🔍
01/14/2020 +665 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined

CVE: CVE-2014-2885 (🔍)
GCVE (CVE): GCVE-0-2014-2885
GCVE (VulDB): GCVE-100-114775
OSVDB: 105936 - TrueCrypt information disclosure

See also: 🔍

Entryinfo

Created: 03/20/2018 07:17
Updated: 01/14/2020 22:38
Changes: 03/20/2018 07:17 (58), 01/14/2020 22:38 (3)
Complete: 🔍
Cache ID: 216:59C:103