5

CVE-2020-1045

Microsoft ASP.NET Core Security Feature Bypass Vulnerability

<p>A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.</p>
<p>The ASP.NET Core cookie parser decodes entire cookie strings which could allow a malicious attacker to set a second cookie with the name being percent encoded.</p>
<p>The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names.</p>
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Asp.Net Core Version >= 2.1 <= 2.1.21
Microsoft ≫ Asp.Net Core Version >= 3.1 < 3.1.8
Fedoraproject ≫ Fedora Version 32
Fedoraproject ≫ Fedora Version 33
Redhat ≫ Enterprise Linux Version 8.0
Redhat ≫ Enterprise Linux Aus Version 8.2
Redhat ≫ Enterprise Linux Aus Version 8.4
Redhat ≫ Enterprise Linux Aus Version 8.6
Redhat ≫ Enterprise Linux Eus Version 8.2
Redhat ≫ Enterprise Linux Eus Version 8.4
Redhat ≫ Enterprise Linux Eus Version 8.6
Redhat ≫ Enterprise Linux Tus Version 8.2
Redhat ≫ Enterprise Linux Tus Version 8.4
Redhat ≫ Enterprise Linux Tus Version 8.6
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.97% 0.925
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Microsoft 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://access.redhat.com/errata/RHSA-2020:3699
Third Party Advisory
https://github.com/dotnet/core/blob/main/release-notes/3.1/3.1.8/3.1.8.md#changes-in-318
Third Party Advisory
Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LN2FUVBSVPGK7AU3NMLO3YR6CGONQPB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ASICXQXS4M7MTAF6SGQMCLCA63DLCUT3/
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1045
Patch
Vendor Advisory
https://security.snyk.io/vuln/SNYK-RHEL8-DOTNET-1439600
Third Party Advisory