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
The Samba Team samba Affected: before 4.7.9
Affected: before 4.8.4
Create a notification for this product.
Date Public
2018-08-22 00:00
Show details on NVD website
To clipboard 

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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.


Detection rules are retrieved from Rulezet.