Oracle Linux 8 : dotnet (ELSA-2019-1259)

medium Nessus Plugin ID 127585
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

From Red Hat Security Advisory 2019:1259 :

An update for dotnet is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

.NET Core is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

A new version of .NET Core that address security vulnerabilities is now available. The updated version is .NET Core Runtime 2.1.11 and SDK 2.1.507.

Security Fix(es) :

* dotnet: NuGet Tampering Vulnerability (CVE-2019-0757)

* dotnet: timeouts for regular expressions are not enforced (CVE-2019-0820)

* dotnet: infinite loop in URI.TryCreate leading to ASP.Net Core Denial of Service (CVE-2019-0980)

* dotnet: crash in IPAddress.TryCreate leading to ASP.Net Core Denial of Service (CVE-2019-0981)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es) :

* dotnet: new SocketException((int)SocketError.InvalidArgument).Message is empty (BZ#1712471)

Solution

Update the affected dotnet packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2019-August/008972.html

Plugin Details

Severity: Medium

ID: 127585

File Name: oraclelinux_ELSA-2019-1259.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/12/2019

Updated: 1/6/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-0757

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:dotnet, p-cpe:/a:oracle:linux:dotnet-host, p-cpe:/a:oracle:linux:dotnet-host-fxr-2.1, p-cpe:/a:oracle:linux:dotnet-runtime-2.1, p-cpe:/a:oracle:linux:dotnet-sdk-2.1, p-cpe:/a:oracle:linux:dotnet-sdk-2.1.5xx, cpe:/o:oracle:linux:8

Required KB Items: Host/local_checks_enabled, Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/1/2019

Vulnerability Publication Date: 4/9/2019

Reference Information

CVE: CVE-2019-0757, CVE-2019-0820, CVE-2019-0980, CVE-2019-0981

RHSA: 2019:1259