Vulnerability in Microsoft Aspnetcore
CVE-2017-11770
.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly parsing certificate data. A denial of service vulnerability exists when .NET Core improperly handles parsing certificate data, aka ".NET CORE Denial Of Service Vulnerability".
Vulnerability class: Improper Certificate Validation
EPSS: 0.054 (91.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Microsoft Aspnetcore — versions 1.0, 1.1, 2.0
- Microsoft Corporation .Net Core — versions .NET Core 1.0, .NET Core 1.1, and .NET Core 2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-11770?
- CVE-2017-11770 is a high-severity vulnerability in Microsoft Aspnetcore, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2017-11-15.
- How severe is CVE-2017-11770?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-11770 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.