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CVE-2017-12150

samba: Some code path don't enforce smb signing, when they should

It was found that samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8 did not enforce "SMB signing" when certain configuration options were enabled. A remote attacker could launch a man-in-the-middle attack and retrieve information in plain-text.

CVSS 3.1 · 7.4 High EPSS 13.1% KEV · Not listed
Vendors
Debian Redhat Samba
Products
Debian Linux Enterprise Linux Enterprise Linux Desktop and 5 more
CVE-2016-2125

samba: Unconditional privilege delegation to Kerberos servers in trusted realms

It was found that Samba before versions 4.5.3, 4.4.8, 4.3.13 always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users.

CVSS 3.1 · 6.5 Medium EPSS 9.2% KEV · Not listed
Vendors
Redhat Samba
Products
Enterprise Linux Enterprise Linux Desktop Enterprise Linux Server and 7 more
CVE-2016-2124

samba: SMB1 client connections can be downgraded to plaintext authentication

A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.

CVSS 3.1 · 5.9 Medium EPSS 1.8% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 2 more
Products
Ubuntu Linux Debian Linux Fedora and 23 more
CVE-2016-2123

samba: NDR Parsing ndr_pull_dnsp_name Heap-based Buffer Overflow Remote Code Execution Vulnerability (ZDI-CAN-3995)

A flaw was found in samba versions 4.0.0 to 4.5.2. The Samba routine ndr_pull_dnsp_name contains an integer wrap problem, leading to an attacker-controlled memory overwrite. ndr_pull_dnsp_name parses data from the Samba Active Directory ldb database. Any user who can write to the dnsRecord attribute over LDAP can trigger this memory corruption. By default, all authenticated LDAP users can write to the dnsRecord attribute on new DNS objects. This makes the defect a remote privilege escalation.

CVSS 3.1 · 8.8 High EPSS 6.2% KEV · Not listed
Vendors
Samba
Products
Samba
CVE-2011-3585

Samba mtab lock file race condition

Multiple race conditions in the (1) mount.cifs and (2) umount.cifs programs in Samba 3.6 allow local users to cause a denial of service (mounting outage) via a SIGKILL signal during a time window when the /etc/mtab~ file exists.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat Samba
Products
Enterprise Linux Samba