Description
A denial of service vulnerability was discovered in Samba's LDAP server before versions 4.7.12, 4.8.7, and 4.9.3. A CNAME loop could lead to infinite recursion in the server. An unprivileged local attacker could create such an entry, leading to denial of service.
CVSS breakdown
CVSS 3.0
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Unknown / samba4.7.12 – 4.7.12
- Unknown / samba4.8.7 – 4.8.7
- Unknown / samba4.9.3 – 4.9.3
References
- VENDOR_ADVISORYhttps://usn.ubuntu.com/3827-2/
- VENDOR_ADVISORYhttps://usn.ubuntu.com/3827-1/
- MISChttp://www.securityfocus.com/bid/106022
- MISChttps://security.netapp.com/advisory/ntap-20181127-0001/
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2018/12/msg00005.html
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14629
- VENDOR_ADVISORYhttps://www.debian.org/security/2018/dsa-4345
- MISChttps://www.samba.org/samba/security/CVE-2018-14629.html
- MISChttps://security.gentoo.org/glsa/202003-52