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CVE-2017-8816 (GCVE-0-2017-8816)

Vulnerability from cvelistv5 – Published: 2017-11-29 18:00 – Updated: 2026-04-15 21:01
VLAI
Summary
The NTLM authentication feature in curl and libcurl before 7.57.0 on 32-bit platforms allows attackers to cause a denial of service (integer overflow and resultant buffer overflow, and application crash) or possibly have unspecified other impact via vectors involving long user and password fields.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-15 21:01 UTC
CWE
  • integer overflow
  • CWE-190 - Integer Overflow or Wraparound
Assigner
References
URL Tags
http://security.cucumberlinux.com/security/detail… x_refsource_CONFIRM
https://security.gentoo.org/glsa/201712-04 vendor-advisoryx_refsource_GENTOO
https://access.redhat.com/errata/RHSA-2018:3558 vendor-advisoryx_refsource_REDHAT
https://curl.haxx.se/docs/adv_2017-12e7.html x_refsource_CONFIRM
http://www.securityfocus.com/bid/101998 vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1039896 vdb-entryx_refsource_SECTRACK
https://www.debian.org/security/2017/dsa-4051 vendor-advisoryx_refsource_DEBIAN
http://www.securitytracker.com/id/1040608 vdb-entryx_refsource_SECTRACK
Impacted products
Vendor Product Version CPE status
n/a curl and libcurl before 7.57.0 Affected: curl and libcurl before 7.57.0
Date Public
2017-11-29 00:00
Show details on NVD website
To clipboard 

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}



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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.