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CVE-2018-20615 (GCVE-0-2018-20615)

Vulnerability from cvelistv5 – Published: 2019-03-18 16:11 – Updated: 2024-08-05 12:05
VLAI
Summary
An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.
CWE
  • n/a
References
URL Tags
http://www.securityfocus.com/bid/106645 vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2019:0275 vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3858-1/ vendor-advisoryx_refsource_UBUNTU
https://www.mail-archive.com/haproxy%40formilux.o… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHBA-2019:0327 vendor-advisoryx_refsource_REDHAT
Show details on NVD website

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      "product_status:fixed": "111",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "15",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "haproxy: Mishandling of priority flag in short HEADERS frame by HTTP/2 decoder allows for crash",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-20615.json",
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      "product_status:known_not_affected": "12",
      "product_status:recommended": "10",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-20615",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-20615.json",
      "version": "16"
    }
  }
}



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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

Author Source Type Date Other

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.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.

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Detection rules are retrieved from Rulezet.

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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.


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