CVE-2018-10918

Impact:
Moderate
Public Date:
2018-08-16
CWE:
CWE-476
Bugzilla:
1610640: CVE-2018-10918 samba: DsCrackNames on a user without an SPN can trigger NULL-pointer de-reference
A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Diretory Domain Controller configuration.

Find out more about CVE-2018-10918 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 5.2
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Attack Vector Adjacent Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Virtualization 4 samba Not affected
Red Hat Gluster Storage 3 samba Not affected
Red Hat Enterprise Linux 8 samba Not affected
Red Hat Enterprise Linux 7 samba Not affected
Red Hat Enterprise Linux 6 samba4 Not affected
Red Hat Enterprise Linux 6 samba Not affected
Red Hat Enterprise Linux 5 samba Not affected
Red Hat Enterprise Linux 5 samba3x Not affected

Acknowledgements

Red Hat would like to thank Volker Mauel (the Samba project) for reporting this issue.

External References

Last Modified