CVE-2007-4138
First published: Fri Sep 14 2007(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Samba | =3.0.25b | |
| Samba | =3.0.25a | |
| Samba | =3.0.25c | |
| Samba | =3.0.25 |
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Reference Links
- http://www.samba.org/samba/security/CVE-2007-4138.html
- http://www.securityfocus.com/bid/25636
- http://secunia.com/advisories/26764
- https://issues.rpath.com/browse/RPL-1705
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00201.html
- http://www.redhat.com/support/errata/RHSA-2007-1016.html
- http://www.redhat.com/support/errata/RHSA-2007-1017.html
- http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.419439
- http://www.securitytracker.com/id?1018681
- http://secunia.com/advisories/26776
- http://secunia.com/advisories/26795
- http://secunia.com/advisories/26834
- http://securityreason.com/securityalert/3135
- http://docs.info.apple.com/article.html?artnum=307179
- http://www.us-cert.gov/cas/techalerts/TA07-352A.html
- http://www.vupen.com/english/advisories/2007/3120
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36560
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10375
- http://www.securityfocus.com/archive/1/479078/100/0/threaded
Frequently Asked Questions
What is the risk associated with CVE-2007-4138?
CVE-2007-4138 can allow local users to gain root privileges due to improper handling of group attributes.
Which versions of Samba are affected by CVE-2007-4138?
Samba versions 3.0.25, 3.0.25a, 3.0.25b, and 3.0.25c are affected by CVE-2007-4138.
How do I mitigate the effects of CVE-2007-4138?
To mitigate CVE-2007-4138, ensure that the 'winbind nss info' option is not set to rfc2307 or sfu.
Is CVE-2007-4138 a critical vulnerability?
CVE-2007-4138 is considered a serious vulnerability due to its potential to allow unauthorized access to system privileges.
What action should be taken if CVE-2007-4138 is detected in my system?
If CVE-2007-4138 is detected, it is recommended to upgrade to a patched version of Samba immediately.
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- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/samba
- canonical/samba
- version/samba/3.0.25b
- version/samba/3.0.25a
- version/samba/3.0.25c
- version/samba/3.0.25