cve-2017-0247
Vulnerability from cvelistv5
Published
2017-05-12 14:00
Modified
2024-08-05 12:55
Severity ?
EPSS score ?
Summary
A denial of service vulnerability exists when the ASP.NET Core fails to properly validate web requests. NOTE: Microsoft has not commented on third-party claims that the issue is that the TextEncoder.EncodeCore function in the System.Text.Encodings.Web package in ASP.NET Core Mvc before 1.0.4 and 1.1.x before 1.1.3 allows remote attackers to cause a denial of service by leveraging failure to properly calculate the length of 4-byte characters in the Unicode Non-Character range.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secure@microsoft.com | https://github.com/aspnet/Announcements/issues/239 | Technical Description, Third Party Advisory | |
| secure@microsoft.com | https://technet.microsoft.com/en-us/library/security/4021279.aspx | Patch, Vendor Advisory | |
| secure@microsoft.com | https://www.sidertia.com/Home/Community/Blog/2017/05/18/ASPNET-Core-Unicode-Non-Char-Encoding-DoS | Exploit, Third Party Advisory |
Impacted products
| ▼ | Vendor | Product |
|---|---|---|
| Microsoft Corporation | ASP.NET Core |
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Description\",\"Third Party Advisory\"]},{\"url\":\"https://technet.microsoft.com/en-us/library/security/4021279.aspx\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://www.sidertia.com/Home/Community/Blog/2017/05/18/ASPNET-Core-Unicode-Non-Char-Encoding-DoS\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.