Local information disclosure via mishandled CNG objects
Published Feb 11, 2020 · Updated Aug 4, 2024
Information disclosure in Microsoft Windows CNG service allows local users to read sensitive memory through a crafted application. The service improperly handles objects in memory, but Microsoft has not disclosed the affected object type or erroneous operation. Exploitation requires logon and local code execution; the documented consequence is confidentiality loss without modification or service interruption.
Summary
What happened
Information disclosure in Microsoft Windows CNG service allows local users to read sensitive memory through a crafted application. The service improperly handles objects in memory, but Microsoft has not disclosed the affected object type or erroneous operation. Exploitation requires logon and local code execution; the documented consequence is confidentiality loss without modification or service interruption.
The record
- CVE
- CVE-2020-0677
- Published
- Feb 11, 2020
- Updated
- Aug 4, 2024
- Vendor
- Microsoft
- Product
- Windows 10 Version 1909
- Classifications
- T1005
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 11, 2020CVE publishedPublication date reported by the CVE source.
- Aug 4, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=unspecified
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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