CVE-2018-1057

Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 13 Mar 2018, 16:00
Last modified:05 Aug 2024, 03:44

Vulnerability Summary

Overall Risk (default)
medium
37/100
CVSS Score
8.8 HIGH
v3.1 (nvd)
EPSS Score
7.72% LOW
8% probability +1.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Mar 2018, 16:00
Published
Vulnerability first disclosed
05 Aug 2024, 03:44
Last Modified
Vulnerability information updated

Description

On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and privileged service accounts (eg Domain Controllers).

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.5AV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 7.72%• Percentile: 92%

Techniques & Countermeasures

  • CWE-863•Incorrect Authorization

    The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 17.10

  • debian•debian_linux

    8.0

  • samba•samba

    ≥ 4.0.0, < 4.5.16 | ≥ 4.6.0, < 4.6.14 | ≥ 4.7.0, < 4.7.6 | All versions of Samba from 4.0.0 onwards.

References (10)