CVE-2018-1057

NameCVE-2018-1057
DescriptionOn 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).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-4135-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)jessie (security), jessie2:4.2.14+dfsg-0+deb8u9vulnerable
stretch2:4.5.12+dfsg-2+deb9u1vulnerable
stretch (security)2:4.5.12+dfsg-2+deb9u2fixed
buster, sid2:4.8.2+dfsg-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasource(unstable)2:4.7.4+dfsg-2medium
sambasourcestretch2:4.5.12+dfsg-2+deb9u2mediumDSA-4135-1
sambasourcewheezy(not affected)

Notes

[jessie] - samba <ignored> (Too intrusive to backport)
[wheezy] - samba <not-affected> (Vulnerable code introduced later in 4.0.0alpha13)
https://www.samba.org/samba/security/CVE-2018-1057.html
https://wiki.samba.org/index.php/CVE-2018-1057

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