samba: Server certificates not validated at client side

It was found that Samba did not validate SSL/TLS certificates in certain connections. A man-in-the-middle attacker could use this flaw to spoof a Samba server using a specially crafted SSL/TLS certificate...

samba: Smb signing not required by default when smb client connection is used for ipc usage

It was found that Samba did not enable integrity protection for IPC traffic by default. A man-in-the-middle attacker could use this flaw to view and modify the data sent between a Samba server and a client...

samba: Missing downgrade detection

It was found that Samba's LDAP implementation did not enforce integrity protection for LDAP connections. A man-in-the-middle attacker could use this flaw to downgrade LDAP connections to use no integrity protection, allowing them to hijack such connections...

samba: Samba based active directory domain controller does not enforce smb signing

It was discovered that Samba did not enforce Server Message Block SMB signing for clients using the SMB1 protocol. A man-in-the-middle attacker could use this flaw to modify traffic between a client and a server...

Critical: Red Hat Security Advisory: samba security, bug fix, and enhancement update

An update for samba is now available for Red Hat Enterprise Linux 7.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

samba: Man-in-the-middle attacks possible with NTLMSSP authentication

Several flaws were found in Samba's implementation of NTLMSSP authentication. An unauthenticated, man-in-the-middle attacker could use this flaw to clear the encryption and integrity flags of a connection, causing data to be transmitted in plain text. The attacker could also force the client or...

samba: crash in dcesrv_auth_bind_ack due to missing error check

Multiple flaws were found in Samba's DCE/RPC protocol implementation. A remote, authenticated attacker could use these flaws to cause a denial of service against the Samba server high CPU load or a crash or, possibly, execute arbitrary code with the permissions of the user running Samba root. Thi...

samba: Samba based active directory domain controller does not enforce smb signing

It was discovered that Samba did not enforce Server Message Block SMB signing for clients using the SMB1 protocol. A man-in-the-middle attacker could use this flaw to modify traffic between a client and a server...

Critical: Red Hat Security Advisory: samba and samba4 security, bug fix, and enhancement update

An update for samba4 and samba is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7, respectively. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severi...

samba: Server certificates not validated at client side

It was found that Samba did not validate SSL/TLS certificates in certain connections. A man-in-the-middle attacker could use this flaw to spoof a Samba server using a specially crafted SSL/TLS certificate...

samba: Man-in-the-middle attacks possible with NTLMSSP authentication

Several flaws were found in Samba's implementation of NTLMSSP authentication. An unauthenticated, man-in-the-middle attacker could use this flaw to clear the encryption and integrity flags of a connection, causing data to be transmitted in plain text. The attacker could also force the client or...

samba: Smb signing not required by default when smb client connection is used for ipc usage

It was found that Samba did not enable integrity protection for IPC traffic by default. A man-in-the-middle attacker could use this flaw to view and modify the data sent between a Samba server and a client...

samba: Spoofing vulnerability when domain controller is configured

It was discovered that Samba configured as a Domain Controller would establish a secure communication channel with a machine using a spoofed computer name. A remote attacker able to observe network traffic could use this flaw to obtain session-related information about the spoofed machine...

samba: Missing downgrade detection

It was found that Samba's LDAP implementation did not enforce integrity protection for LDAP connections. A man-in-the-middle attacker could use this flaw to downgrade LDAP connections to use no integrity protection, allowing them to hijack such connections...

libsmbclient, samba security update

CentOS Errata and Security Advisory CESA-2016:0621 An update for samba is now available for Red Hat Enterprise Linux 5. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

samba3x security update

CentOS Errata and Security Advisory CESA-2016:0613 An update for samba3x is now available for Red Hat Enterprise Linux 5. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

libsmbclient, samba security update

CentOS Errata and Security Advisory CESA-2016:0611 An update for samba is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

ctdb, ipa, ldb, libldb, libsmbclient, libtalloc, libtdb, libtevent, libwbclient, openchange, pyldb, pytalloc, python, samba, samba4, tdb security update

CentOS Errata and Security Advisory CESA-2016:0612 An update for samba4 and samba is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7, respectively. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring...

FreeBSD : samba -- multiple vulnerabilities (a636fc26-00d9-11e6-b704-000c292e4fd8) (Badlock)

Samba team reports : CVE-2015-5370 Errors in Samba DCE-RPC code can lead to denial of service crashes and high cpu consumption and man in the middle attacks. CVE-2016-2110 The feature negotiation of NTLMSSP is not downgrade protected. A man in the middle is able to clear even required flags,...

RHEL 6 / 7 : samba and samba4 (RHSA-2016:0612) (Badlock)

An update for samba4 and samba is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7, respectively. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severi...