CVE-2021-34485
MEDIUM
Published 2021-08-12T18:11:57
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CVSS Score
V3.1
5.0
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Base Score Metrics
Exploitability: N/A
Impact: N/A
EPSS Score
v2023.03.01
0.001
probability
of exploitation in the wild
There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.
Updated: 2025-01-25
Exploit Probability
Percentile: 0.282
Higher than 28.2% of all CVEs
Attack Vector Metrics
Impact Metrics
Description
No description available
Available Exploits
No exploits available for this CVE.
Related News
No news articles found for this CVE.
Affected Products
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
Advisory Details
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 Core 3.1, you should download and install Runtime 3.1.18 or SDK 3.1.118 (for Visual Studio 2019 v16.4) or 3.1.412 (for Visual Studio 2019 v16.7 or later) from https://dotnet.microsoft.com/download/dotnet-core/3.1.
* If you're using .NET Core 2.1, you should download and install Runtime 2.1.29 or SDK 2.1.525 (for Visual Studio 2019 v15.9) or 2.1.817 from https://dotnet.microsoft.com/download/dotnet-core/2.1.
#### Other Details
- Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/196
- An Issue for this can be found at https://github.com/dotnet/runtime/issues/57174
- MSRC details for this can be found at https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34485
Affected Packages
NuGet
Microsoft.NETCore.App
ECOSYSTEM:
≥2.1.0
<2.1.29
NuGet
Microsoft.NETCore.App.Runtime.linux-arm
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.linux-arm64
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.linux-musl-arm64
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.linux-musl-x64
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.linux-x64
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.osx-x64
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.rhel.6-x64
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.win-arm
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.win-arm64
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.win-x64
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.win-x86
ECOSYSTEM:
≥3.1.0
<3.1.18
NuGet
Microsoft.NETCore.App.Runtime.linux-arm
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.linux-arm64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.linux-musl-arm
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.linux-musl-arm64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.linux-musl-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.linux-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.linux-arm
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.linux-arm64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.linux-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.Mono.osx-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.osx-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.win-arm
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.win-arm64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.win-x64
ECOSYSTEM:
≥5.0.0
<5.0.9
NuGet
Microsoft.NETCore.App.Runtime.win-x86
ECOSYSTEM:
≥5.0.0
<5.0.9
CVSS Scoring
CVSS Score
5.0
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
Advisory provided by GitHub Security Advisory Database. Published: October 20, 2022, Modified: October 20, 2022
Published: 2021-08-12T18:11:57
Last Modified: 2024-08-04T00:12:50.369Z
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