Microsoft Windows 7 SP1/Server 2008 R2 SP1/Server 2008 SP2 Win32k memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Windows 7 SP1/Server 2008 R2 SP1/Server 2008 SP2. Affected by this vulnerability is an unknown functionality of the component Win32k. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2020-0957. The attack is possible to be carried out remotely. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 7 SP1/Server 2008 R2 SP1/Server 2008 SP2 (Operating System). It has been rated as critical. This issue affects some unknown functionality of the component Win32k. 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 summary by CVE is:

An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0956, CVE-2020-0958.

The weakness was disclosed 04/14/2020 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with Microsoft. The identification of this vulnerability is CVE-2020-0957. The attack may be initiated remotely. A simple authentication is required for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/15/2020). The advisory points out:

An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-153201, VDB-153200, VDB-153199 and VDB-153198 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

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Version

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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: 🔍

Vendor Base Score (Microsoft): 7.0
Vendor Vector (Microsoft): 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 🔍
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: Patch
Status: 🔍

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

Timelineinfo

11/04/2019 🔍
04/14/2020 +162 days 🔍
04/14/2020 +0 days 🔍
04/15/2020 +1 days 🔍
10/09/2020 +177 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2020-0957 (🔍)
GCVE (CVE): GCVE-0-2020-0957
GCVE (VulDB): GCVE-100-153197
scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 04/15/2020 09:38
Updated: 10/09/2020 19:37
Changes: 04/15/2020 09:38 (54), 04/15/2020 09:43 (17), 10/09/2020 19:37 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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