CVE-2019-12435: Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service

Medium severity · published Jun 19, 2019

CVE-2019-12435

Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service

6.5

CVSS

2.1%

EPSS

On KEV

Description

Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)2.1% · higher than 82% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Samba · Samba

4.9.0 before 4.9.9; 4.10.0 before 4.10.5 · source: NVD

Affected product

Samba

All Samba CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-12435

CVE.org

https://www.cve.org/CVERecord?id=CVE-2019-12435

lists.opensuse.org

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00023.html

www.securityfocus.com

http://www.securityfocus.com/bid/108825

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QSG3TLPZP35RH5DWAIDC7MHXRK5DFKOE/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/

usn.ubuntu.com

https://usn.ubuntu.com/4018-1/

Vendor Advisory

https://www.samba.org/samba/security/CVE-2019-12435.html