Denial of Service Vulnerability in Samba Active Directory Domain Controller
CVE-2020-10704

7.5HIGH

Key Information:

Vendor

Red Hat
Status
Samba
Vendor
CVE Published:
6 May 2020

What is CVE-2020-10704?

A flaw in Samba's implementation as an Active Directory Domain Controller can enable unauthorized users to craft specific requests that trigger a stack overflow, resulting in a denial of service. This affects system availability significantly as it renders the LDAP server unresponsive. This vulnerability impacts all versions of Samba prior to 4.10.15, 4.11.8, and 4.12.2, making timely updates essential.

Affected Version(s)

samba All versions before 4.10.15

samba All versions before 4.11.8

samba All versions before 4.12.2

References

https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2020...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.