CVE-2018-8284
published 2018-07-11CVE-2018-8284: A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka ".NET Framework Remote Code Injection…
PriorityP262high8.1CVSS 3.0
AVNACHPRNUINSUCHIHAH
EPSS
39.55%
98.4th percentile
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka ".NET Framework Remote Code Injection Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, 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
110 ranges· showing 25
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Detection & IOCsextracted from sources · hover to see the quote
- →Exploitation requires passing specific input to an application utilizing susceptible .NET methods — monitor for unusual or malformed input to .NET-based applications, particularly those exposed to remote users. ↗
- →Successful exploitation allows attacker to install programs, view/change/delete data, or create new accounts with full user rights — monitor for unexpected process spawning, account creation, or file system changes from .NET application worker processes. ↗
- →SharePoint Server deployments running affected .NET Framework versions are also at risk — ensure .NET patch coverage is validated on SharePoint hosts specifically. ↗
- ·Vulnerability is a remote code injection via improper input validation in .NET Framework; the fix corrects input validation logic — detection should focus on behavioral indicators rather than static signatures, as no public exploit or specific payload pattern is disclosed. ↗
- ·As of advisory publication, the vulnerability was not publicly exploited and exploitation was rated 'Less Likely' for both latest and older software releases — lower immediate threat priority but patching remains required. ↗
CVSS provenance
nvdv3.08.1HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
vendor_msrc8.1HIGH
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GHSA
GHSA-c5vc-j56m-8jj4: A remote code execution vulnerability exists when the Microsoft
ghsa_unreviewed·2022-05-13
CVE-2018-8284 [HIGH] CWE-94 GHSA-c5vc-j56m-8jj4: A remote code execution vulnerability exists when the Microsoft
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka ".NET Framework Remote Code Injection Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, 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.
Microsoft
.NET Framework Remote Code Execution Injection Vulnerability
vendor_msrc·2018-07-10·CVSS 8.1
CVE-2018-8284 [HIGH] .NET Framework Remote Code Execution Injection Vulnerability
.NET Framework Remote Code Execution Injection Vulnerability
Description: A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly. An attacker who successfully exploited this vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
To exploit the vulnerability, an attacker would need to pass specific input to an application utilizing susceptible .Net methods.
The security update addresses the vulnerability by correcting how the Microsoft .NET Framework validates input
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
http://www.securityfocus.com/bid/104667http://www.securitytracker.com/id/1041257https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8284http://www.securityfocus.com/bid/104667http://www.securitytracker.com/id/1041257https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8284
2018-07-11
Published