CVE-2012-6150

Samba vulnerability

CVSS

3.6

EPSS

3.8%

EPSS pct

89th

Exploited

No known

The winbind_name_list_to_sid_string_list function in nsswitch/pam_winbind.c in Samba through 4.1.2 handles invalid require_membership_of group names by accepting authentication by any user, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by leveraging an administrator's pam_winbind configuration-file mistake.

Affected vendor

Samba

Affected product

Samba

CVSS vector

AV:N/AC:H/Au:S/C:P/I:P/A:N

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2013-12-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity.

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2012-6150

Confirm whether Samba Samba is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-6150.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-6150

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