CVE-2017-12165 (GCVE-0-2017-12165)

Vulnerability from cvelistv5 – Published: 2018-07-27 15:00 – Updated: 2024-08-05 18:28
VLAI
Summary
It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.
CWE
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1055 records in the last 180 days details
References
URL Tags
https://access.redhat.com/errata/RHSA-2018:1322 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:0002 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:3458 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:0004 vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:3455 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:3456 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:0003 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:0005 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:3454 vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version CPE status
Red Hat undertow Affected: 1.4.17
Affected: 1.3.31
Affected: 2.0.0
guessed Create a notification for this product.
Date Public
2017-12-13 00:00
Show details on NVD website

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      "current_release_date": "2026-08-04T23:14:00+00:00",
      "cve": "CVE-2017-12165",
      "id": "CVE-2017-12165",
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      "product_status:fixed": "985",
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      "source": "Red Hat CSAF VEX",
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      "title": "undertow: improper whitespace parsing leading to potential HTTP request smuggling",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-12165.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.