CVE-2018-8356
published 2018-07-11CVE-2018-8356: A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security…
PriorityP423medium5.5CVSS 3.0
AVLACLPRLUINSUCNIHAN
EPSS
0.69%
49.1th percentile
A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, ASP.NET Core 1.1, Microsoft .NET Framework 4.5.2, ASP.NET Core 2.0, ASP.NET Core 1.0, .NET Core 1.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 1.0, .NET Core 2.0, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.
Affected
101 ranges· showing 25
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CVSS provenance
nvdv3.05.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:P/A:N
vendor_msrc5.5HIGH
vendor_redhat5.5MEDIUM
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Microsoft
.NET Framework Security Feature Bypass Vulnerability
vendor_msrc·2018-07-10·CVSS 5.5
CVE-2018-8356 [MEDIUM] .NET Framework Security Feature Bypass Vulnerability
.NET Framework Security Feature Bypass Vulnerability
Description: A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates.
An attacker could present expired certificates when challenged.
The security update addresses the vulnerability by ensuring that .NET Framework components correctly validate certificates.
.NET Framework: .NET Framework
Impact: Security Feature Bypass
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely;Older Software Release:Exploitation Unlikely
Remediation: Commit
Reference: https://github.com/dotnet/announcements/issues/73
Remediation: Release Notes
Reference: https://github.com/PowerShell/Announcements/issues/6
Reference: https://catalog.updat
Red Hat
Core: incorrect certificates validation
vendor_redhat·2018-07-10·CVSS 5.5
CVE-2018-8356 [MEDIUM] CWE-295 Core: incorrect certificates validation
Core: incorrect certificates validation
A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, ASP.NET Core 1.1, Microsoft .NET Framework 4.5.2, ASP.NET Core 2.0, ASP.NET Core 1.0, .NET Core 1.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 1.0, .NET Core 2.0, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.
Package: rh-dotnetcore10-dotnetcore (.NET Core 1.0 on Red Hat Enterprise Linux) - Will not fix
OSV
Improper Certificate Validation in Microsoft .NET Framework components
osv·2022-05-14
CVE-2018-8356 [MEDIUM] Improper Certificate Validation in Microsoft .NET Framework components
Improper Certificate Validation in Microsoft .NET Framework components
A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, ASP.NET Core 1.1, Microsoft .NET Framework 4.5.2, ASP.NET Core 2.0, ASP.NET Core 1.0, .NET Core 1.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 1.0, .NET Core 2.0, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.
GHSA
Improper Certificate Validation in Microsoft .NET Framework components
ghsa·2022-05-14
CVE-2018-8356 [MEDIUM] CWE-295 Improper Certificate Validation in Microsoft .NET Framework components
Improper Certificate Validation in Microsoft .NET Framework components
A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, ASP.NET Core 1.1, Microsoft .NET Framework 4.5.2, ASP.NET Core 2.0, ASP.NET Core 1.0, .NET Core 1.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 1.0, .NET Core 2.0, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.
No detection rules found.
No public exploits indexed.
Talos
Microsoft Patch Tuesday - July 2018
blogs_talos·2018-07-10·CVSS 7.5
[HIGH] Microsoft Patch Tuesday - July 2018
Microsoft released its monthly set of security advisories today for vulnerabilities that have been identified and addressed in various products. This month's release addresses 53 new vulnerabilities, 17 of which are rated critical, 34 are rated important, one is rated moderate, and one is rated as low severity. These vulnerabilities impact Windows Operating System, Edge, Internet Explorer and more.
In addition to the 53 vulnerabilities referenced above, Microsoft has also released a critical update advisory, ADV180017, which addresses the vulnerabilities described in the Adobe security bulletin APSB18-24.
## Critical vulnerabilitiesThis month, Microsoft is addressing 17 vulnerabilities that are rated as critical:
CVE-2018-8242 - Scripting Engine Memory Corruption Vulnerability
CVE-2018-
Talos
Microsoft Patch Tuesday - July 2018
blogs_talos·2018-07-10·CVSS 7.5
[HIGH] Microsoft Patch Tuesday - July 2018
## Microsoft Patch Tuesday - July 2018
Microsoft released its monthly set of security advisories today for vulnerabilities that have been identified and addressed in various products. This month's release addresses 53 new vulnerabilities, 17 of which are rated critical, 34 are rated important, one is rated moderate, and one is rated as low severity. These vulnerabilities impact Windows Operating System, Edge, Internet Explorer and more.
In addition to the 53 vulnerabilities referenced above, Microsoft has also released a critical update advisory, ADV180017 , which addresses the vulnerabilities described in the Adobe security bulletin APSB18-24 .
## Critical vulnerabilities This month, Microsoft is addressing 17 vulnerabilities that are rated as critical:
CVE-2018-8242 - Scripting Engin
Bugzilla
CVE-2018-8356 .NET Core: incorrect certificates validation
bugzilla·2018-07-12·CVSS 5.5
CVE-2018-8356 [MEDIUM] CVE-2018-8356 .NET Core: incorrect certificates validation
CVE-2018-8356 .NET Core: incorrect certificates validation
A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates. An attacker could present expired certificates when challenged.
References:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356
http://www.securityfocus.com/bid/104664http://www.securitytracker.com/id/1041257https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356http://www.securityfocus.com/bid/104664http://www.securitytracker.com/id/1041257https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356
2018-07-11
Published