WinMagic SecureDoc up to 8.5 IOCTL Dispatcher SDDisk2k.sys Kernel Memory privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability was found in WinMagic SecureDoc up to 8.5. It has been classified as critical. This affects an unknown function in the library SDDisk2k.sys of the component IOCTL Dispatcher. This manipulation causes privileges management (Kernel Memory). The identification of this vulnerability is CVE-2020-11520. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in WinMagic SecureDoc up to 8.5 and classified as critical. Affected by this vulnerability is an unknown code block in the library SDDisk2k.sys of the component IOCTL Dispatcher. The manipulation with an unknown input leads to a privileges management vulnerability (Kernel Memory). The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The SDDisk2k.sys driver of WinMagic SecureDoc v8.5 and earlier allows local users to write to arbitrary kernel memory addresses because the IOCTL dispatcher lacks pointer validation. Exploiting this vulnerability results in privileged code execution.

The weakness was shared 06/22/2020 (Website). It is possible to read the advisory at winmagic.com. This vulnerability is known as CVE-2020-11520 since 04/04/2020. Attacking locally is a requirement. The requirement for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

The entry VDB-157098 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Kernel Memory
Class: Privileges management / Kernel Memory
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/04/2020 🔍
06/22/2020 +79 days 🔍
06/23/2020 +1 days 🔍
10/26/2020 +125 days 🔍

Sourcesinfo

Advisory: winmagic.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-11520 (🔍)
GCVE (CVE): GCVE-0-2020-11520
GCVE (VulDB): GCVE-100-157099
See also: 🔍

Entryinfo

Created: 06/23/2020 08:46
Updated: 10/26/2020 12:53
Changes: 06/23/2020 08:46 (41), 06/23/2020 08:51 (17), 10/26/2020 12:53 (1)
Complete: 🔍
Cache ID: 216::103

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