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...

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...

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

An update for samba4 is now available for Red Hat Enterprise Linux 6.2 Advanced Update Support, Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Support, and Red Hat Enterprise Linux 6.6 Extended Update Support. Red Hat Product Security has rated...

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...

samba: SAMR and LSA man in the middle attacks

A protocol flaw, publicly referred to as Badlock, was found in the Security Account Manager Remote Protocol MS-SAMR and the Local Security Authority Domain Policy Remote Protocol MS-LSAD. Any authenticated DCE/RPC connection that a client initiates against a server could be used by a...

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: 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: 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: 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...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 4 Extended Lifecycle Support. 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 rating, is available for...

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: 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: 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: 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: 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: 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...

Critical: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 6.2 Advanced Update Support, Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Support, and Red Hat Enterprise Linux 6.6 Extended Update Support. Red Hat Product Security has rated...