Description
A tampering vulnerability exists in the NuGet Package Manager for Linux and Mac that could allow an authenticated attacker to modify a NuGet package's folder structure, aka 'NuGet Package Manager Tampering Vulnerability'.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Visual Studio | 2017 for Mac | — |
| Microsoft | .NET Core SDK | 1.1 on .NET Core 1.0, 2.1.500 on .NET Core 2.1, 2.2.100 on .NET Core 2.2, 1.1 on .NET Core 1.1 | — |
| Microsoft | Nuget | 4.3.1, 4.4.2, 4.5.2, 4.6.3, 4.7.2, 4.8.2, 4.9.4 | — |
| Microsoft | Mono Framework | 5.18.0.223, 5.20.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | dotnet +2 | 2.1.507-2.el8_0 | RHSA-2019:1259 |
| RHEL 8 | dotnet-host +2 | 2.1.11-2.el8_0 | RHSA-2019:1259 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Dotnet 2 | rh-dotnet21 +1 | 2.1-8.el7 | RHSA-2019:0544 |
| Red Hat Rhel Dotnet 2 | rh-dotnet21-dotnet +2 | 2.1.505-1.el7 | RHSA-2019:0544 |
| Red Hat Rhel Dotnet 2 | rh-dotnet21-dotnet-host +1 | 2.1.9-1.el7 | RHSA-2019:0544 |
| Red Hat Rhel Dotnet 2 | rh-dotnet22 +1 | 2.2-4.el7 | RHSA-2019:0544 |
| Red Hat Rhel Dotnet 2 | rh-dotnet22-dotnet +2 | 2.2.105-1.el7 | RHSA-2019:0544 |
| Red Hat Rhel Dotnet 2 | rh-dotnet22-dotnet-host +2 | 2.2.3-1.el7 | RHSA-2019:0544 |
| Red Hat Rhel Dotnet 1 | rh-dotnetcore10-dotnetcore | 1.0.15-1.el7 | RHSA-2019:0544 |
| Red Hat Rhel Dotnet 1 | rh-dotnetcore11-dotnetcore | 1.1.12-1.el7 | RHSA-2019:0544 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | dotnet +2 | 2.1.507-2.el8_0 | ELSA-2019-1259 |
| Oracle Linux 8 | dotnet-host +2 | 2.1.11-2.el8_0 | ELSA-2019-1259 |
Advisories 3
- RHSA-2019:1259 Red Hat Security Advisory: dotnet security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2019:0544 Red Hat Security Advisory: .NET Core on Red Hat Enterprise Linux security update for March 2019 Red Hat Security Advisories (RHSA) · Jun 28, 2026
- ELSA-2019-1259 Important: dotnet security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 30, 2019