PT-2019-2167 · Microsoft+2 · Net Core+3

Published 2019-05-14 · Updated 2023-02-02 · CVE-2019-0820

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions .NET Core and Microsoft .NET Framework (affected versions not specified)

Description The issue is related to errors in processing regular expressions. It could allow a remote attacker to cause a denial of service. A remote unauthenticated attacker could exploit this by issuing specially crafted requests to a .NET Framework or .NET Core application.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

RCE

Weakness Enumeration

CWE-1333

CWE-400

CWE-20

Related Identifiers

BDU:2019-01933

CESA-2019_1259

CVE-2019-0820

GHSA-CMHX-CQ75-C4MJ

RHSA-2019:1236

RHSA-2019:1259

RHSA-2019_1259

Affected Products

.Net Framework

Centos

Net Core

Red Hat

References · 11

• https://osv.dev/vulnerability/GHSA-cmhx-cq75-c4mj · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-0820 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0820 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-0820 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0820 · Security Note
• https://access.redhat.com/errata/RHSA-2019:1259 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/680637 · Security Note
• https://bdu.fstec.ru/vul/2019-01933 · Security Note
• https://osv.dev/vulnerability/CVE-2019-0820 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2019-1259.html · Vendor Advisory
• https://cvedetails.com/cve/CVE-2019-0820 · Note