Vulnerability Monitor

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CVE-2019-12436

Samba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service. This is related to an attacker using the paged search control. The attacker must have directory read access in order to attempt an exploit.

Published

2019-06-19T12:15:10.233

Last Modified

2024-11-21T04:22:50.580

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	samba	samba	< 4.10.5	Yes
Operating System	canonical	ubuntu_linux	19.04	Yes

References

http://www.securityfocus.com/bid/108823 ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/ ([email protected])
https://usn.ubuntu.com/4018-1/ Third Party Advisory ([email protected])
https://www.samba.org/samba/security/CVE-2019-12436.html Vendor Advisory ([email protected])
https://www.synology.com/security/advisory/Synology_SA_19_27 ([email protected])
http://www.securityfocus.com/bid/108823 (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/ (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4018-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.samba.org/samba/security/CVE-2019-12436.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.synology.com/security/advisory/Synology_SA_19_27 (af854a3a-2127-422b-91ae-364da2661108)