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CVE-2018-1139 (GCVE-0-2018-1139)

Vulnerability from cvelistv5 – Published: 2018-08-22 14:00 – Updated: 2024-08-05 03:51
VLAI
Summary
A flaw was found in the way samba before 4.7.9 and 4.8.4 allowed the use of weak NTLMv1 authentication even when NTLMv1 was explicitly disabled. A man-in-the-middle attacker could use this flaw to read the credential and other details passed between the samba server and client.
Severity
5.4 (Medium)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2018:2613 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3738-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:2612 vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
http://www.securityfocus.com/bid/105084 vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2018:3056 vendor-advisoryx_refsource_REDHAT
https://security.netapp.com/advisory/ntap-2018081… x_refsource_CONFIRM
https://www.samba.org/samba/security/CVE-2018-1139.html x_refsource_CONFIRM
https://security.gentoo.org/glsa/202003-52 vendor-advisoryx_refsource_GENTOO
Impacted products
Vendor Product Version CPE status
The Samba Team samba Affected: before 4.7.9
Affected: before 4.8.4
guessed Create a notification for this product.
Date Public
2018-08-22 00:00
Show details on NVD website
To clipboard 

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      "title": "samba: Weak authentication protocol regression",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-1139.json",
      "version": "3"
    }
  }
}



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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.