Vulnerability Description
The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | 4.0.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.h
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.h
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
- http://www.debian.org/security/2016/dsa-3433
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h
- http://www.securityfocus.com/bid/79731
- http://www.securitytracker.com/id/1034493
- http://www.ubuntu.com/usn/USN-2855-1
- http://www.ubuntu.com/usn/USN-2855-2
- http://www.ubuntu.com/usn/USN-2856-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1290287
FAQ
What is CVE-2015-3223?
CVE-2015-3223 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero val...
How severe is CVE-2015-3223?
CVE-2015-3223 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-3223?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba.