THREATPORT/VULNERABILITY/CVE-2018-1057
HIGH SEVERITY

CVE-2018-1057

Ubuntu Linux vulnerability

CVSS
8.8
EPSS
10.1%
EPSS pct
95th
Exploited
No known
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).
Affected vendor
Canonical
Affected product
Ubuntu Linux
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-863 — Incorrect Authorization
Published
2018-03-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 10.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2018-1057

  • Confirm whether Canonical Ubuntu Linux is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-1057.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1057

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