CVE-2018-1057

Description

On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and privileged service accounts (eg Domain Controllers).

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.75% Top 15%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory samba.org
Affected: Samba Samba
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/103382 vdb entry third party advisory
https://www.debian.org/security/2018/dsa-4135 third party advisory vendor advisory
https://usn.ubuntu.com/3595-1/ third party advisory vendor advisory
http://www.securitytracker.com/id/1040494 vdb entry third party advisory
https://security.gentoo.org/glsa/201805-07 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20180313-0001/ third party advisory
https://www.samba.org/samba/security/CVE-2018-1057.html mitigation vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1553553 issue tracking third party advisory
https://www.synology.com/support/security/Synology_SA_18_08 third party advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2018-1057?
CVE-2018-1057 has been scored as a high severity vulnerability.
How to fix CVE-2018-1057?
To fix CVE-2018-1057, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-1057 being actively exploited in the wild?
It is possible that CVE-2018-1057 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-1057?
CVE-2018-1057 affects Samba Samba.
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