Access Restriction Bypass Affecting samba-client package, versions <0:3.0.25b-1.el5_1.2


Severity

Recommended
critical

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-ORACLE5-SAMBACLIENT-2446396
  • published10 Apr 2022
  • disclosed14 Sept 2007

Introduced: 14 Sep 2007

CVE-2007-4138  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Oracle:5 samba-client to version 0:3.0.25b-1.el5_1.2 or higher.
This issue was patched in ELSA-2007-1017.

NVD Description

Note: Versions mentioned in the description apply only to the upstream samba-client package and not the samba-client package as distributed by Oracle. See How to fix? for Oracle:5 relevant fixed versions and status.

The Winbind nss_info extension (nsswitch/idmap_ad.c) in idmap_ad.so in Samba 3.0.25 through 3.0.25c, when the "winbind nss info" option is set to rfc2307 or sfu, grants all local users the privileges of gid 0 when the (1) RFC2307 or (2) Services for UNIX (SFU) primary group attribute is not defined.

CVSS Scores

version 3.1