CVE-2021-34485
published 2021-08-12CVE-2021-34485: .NET Core and Visual Studio Information Disclosure Vulnerability
PriorityP422medium5.5CVSS 3.1
AVLACLPRLUINSUCHINAN
EPSS
1.26%
66.4th percentile
.NET Core and Visual Studio Information Disclosure Vulnerability
Affected
48 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft.netcore.app.runtime.linux-arm | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.linux-arm | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.linux-arm64 | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.linux-arm64 | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.linux-musl-arm | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.linux-musl-arm64 | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.linux-musl-arm64 | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.linux-musl-x64 | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.linux-musl-x64 | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.linux-x64 | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.linux-x64 | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.osx-x64 | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.osx-x64 | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.win-arm | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.win-arm | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.win-arm64 | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.win-arm64 | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.win-x64 | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.win-x64 | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft.netcore.app.runtime.win-x86 | >= 3.1.0 < 3.1.18 | 3.1.18 |
| microsoft | microsoft.netcore.app.runtime.win-x86 | >= 5.0.0 < 5.0.9 | 5.0.9 |
| microsoft | microsoft_visual_studio_2017_version_15.9 | >= 15.9.0 < 15.9.38 | 15.9.38 |
| microsoft | microsoft_visual_studio_2019_version_16.10 | >= 16.10.0 < 16.10.5 | 16.10.5 |
| microsoft | microsoft_visual_studio_2019_version_16.4 | >= 16.0 < 16.4.25 | 16.4.25 |
| microsoft | microsoft_visual_studio_2019_version_16.7 | >= 16.0.0 < 16.7.18 | 16.7.18 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
ghsa5.5MEDIUM
osv5.5MEDIUM
vendor_msrc5.0MEDIUM
vendor_redhat5.0MEDIUM
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Microsoft
.NET Core and Visual Studio Information Disclosure Vulnerability
vendor_msrc·2021-08-10·CVSS 5.0
CVE-2021-34485 [MEDIUM] .NET Core and Visual Studio Information Disclosure Vulnerability
.NET Core and Visual Studio Information Disclosure Vulnerability
FAQ: What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is the contents of a specific dump file. The attacker needs to have local access to the target system and the dump file needs to be created in a specific way by a target on that same system.
.NET Core & Visual Studio: .NET Core & Visual Studio
Microsoft: Microsoft
Impact: Information Disclosure
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Remediation: Release Notes
Reference: http://aka.ms/vs/15/release/latest
Reference: https://my.vis
Red Hat
dotnet: Dump file created world-readable
vendor_redhat·2021-08-10·CVSS 5.0
CVE-2021-34485 [MEDIUM] CWE-732 dotnet: Dump file created world-readable
dotnet: Dump file created world-readable
.NET Core and Visual Studio Information Disclosure Vulnerability
GHSA
.NET Core Information Disclosure Vulnerability
ghsa·2022-10-20·CVSS 5.5
CVE-2021-34485 [MEDIUM] .NET Core Information Disclosure Vulnerability
.NET Core Information Disclosure Vulnerability
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 5.0, .NET Core 3.1 and .NET Core 2.1. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.
An information disclosure vulnerability exists in .NET 5.0, .NET Core 3.1 and .NET Core 2.1 when dumps created by the tool to collect crash dumps and dumps on demand are created with global read permissions on Linux and macOS.
### Patches
* If you're using .NET 5.0, you should download and install Runtime 5.0.9 or SDK 5.0.206 (for Visual Studio 2019 v16.8) or SDK 5.0.303 (for Visual Studio 2019 V16.10) from https://dotnet.microsoft.com/download/dotnet-core/5.0.
* If you're using .NET
OSV
.NET Core Information Disclosure Vulnerability
osv·2022-10-20·CVSS 5.5
CVE-2021-34485 [MEDIUM] .NET Core Information Disclosure Vulnerability
.NET Core Information Disclosure Vulnerability
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 5.0, .NET Core 3.1 and .NET Core 2.1. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.
An information disclosure vulnerability exists in .NET 5.0, .NET Core 3.1 and .NET Core 2.1 when dumps created by the tool to collect crash dumps and dumps on demand are created with global read permissions on Linux and macOS.
### Patches
* If you're using .NET 5.0, you should download and install Runtime 5.0.9 or SDK 5.0.206 (for Visual Studio 2019 v16.8) or SDK 5.0.303 (for Visual Studio 2019 V16.10) from https://dotnet.microsoft.com/download/dotnet-core/5.0.
* If you're using .NET
No detection rules found.
No public exploits indexed.
2021-08-12
Published