SUSE update for samba



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2016-2124
CVE-2020-25717
CWE-ID CWE-284
CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
SUSE Linux Enterprise Server
Operating systems & Components / Operating system

samba-doc
Operating systems & Components / Operating system package or component

samba-winbind-debuginfo
Operating systems & Components / Operating system package or component

samba-winbind-debuginfo-32bit
Operating systems & Components / Operating system package or component

samba-winbind
Operating systems & Components / Operating system package or component

samba-winbind-32bit
Operating systems & Components / Operating system package or component

samba-libs-debuginfo
Operating systems & Components / Operating system package or component

samba-libs-debuginfo-32bit
Operating systems & Components / Operating system package or component

samba-libs
Operating systems & Components / Operating system package or component

samba-libs-32bit
Operating systems & Components / Operating system package or component

samba-debugsource
Operating systems & Components / Operating system package or component

samba-debuginfo
Operating systems & Components / Operating system package or component

samba-client-debuginfo
Operating systems & Components / Operating system package or component

samba-client-debuginfo-32bit
Operating systems & Components / Operating system package or component

samba-client
Operating systems & Components / Operating system package or component

samba-client-32bit
Operating systems & Components / Operating system package or component

samba
Operating systems & Components / Operating system package or component

libwbclient0-debuginfo
Operating systems & Components / Operating system package or component

libwbclient0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libwbclient0
Operating systems & Components / Operating system package or component

libwbclient0-32bit
Operating systems & Components / Operating system package or component

libtevent-util0-debuginfo
Operating systems & Components / Operating system package or component

libtevent-util0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libtevent-util0
Operating systems & Components / Operating system package or component

libtevent-util0-32bit
Operating systems & Components / Operating system package or component

libsmbldap0-debuginfo
Operating systems & Components / Operating system package or component

libsmbldap0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libsmbldap0
Operating systems & Components / Operating system package or component

libsmbldap0-32bit
Operating systems & Components / Operating system package or component

libsmbconf0-debuginfo
Operating systems & Components / Operating system package or component

libsmbconf0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libsmbconf0
Operating systems & Components / Operating system package or component

libsmbconf0-32bit
Operating systems & Components / Operating system package or component

libsmbclient0-debuginfo
Operating systems & Components / Operating system package or component

libsmbclient0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libsmbclient0
Operating systems & Components / Operating system package or component

libsmbclient0-32bit
Operating systems & Components / Operating system package or component

libsamdb0-debuginfo
Operating systems & Components / Operating system package or component

libsamdb0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libsamdb0
Operating systems & Components / Operating system package or component

libsamdb0-32bit
Operating systems & Components / Operating system package or component

libsamba-util0-debuginfo
Operating systems & Components / Operating system package or component

libsamba-util0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libsamba-util0
Operating systems & Components / Operating system package or component

libsamba-util0-32bit
Operating systems & Components / Operating system package or component

libsamba-passdb0-debuginfo
Operating systems & Components / Operating system package or component

libsamba-passdb0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libsamba-passdb0
Operating systems & Components / Operating system package or component

libsamba-passdb0-32bit
Operating systems & Components / Operating system package or component

libsamba-hostconfig0-debuginfo
Operating systems & Components / Operating system package or component

libsamba-hostconfig0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libsamba-hostconfig0
Operating systems & Components / Operating system package or component

libsamba-hostconfig0-32bit
Operating systems & Components / Operating system package or component

libsamba-errors0-debuginfo
Operating systems & Components / Operating system package or component

libsamba-errors0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libsamba-errors0
Operating systems & Components / Operating system package or component

libsamba-errors0-32bit
Operating systems & Components / Operating system package or component

libsamba-credentials0-debuginfo
Operating systems & Components / Operating system package or component

libsamba-credentials0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libsamba-credentials0
Operating systems & Components / Operating system package or component

libsamba-credentials0-32bit
Operating systems & Components / Operating system package or component

libnetapi0-debuginfo
Operating systems & Components / Operating system package or component

libnetapi0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libnetapi0
Operating systems & Components / Operating system package or component

libnetapi0-32bit
Operating systems & Components / Operating system package or component

libndr0-debuginfo
Operating systems & Components / Operating system package or component

libndr0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libndr0
Operating systems & Components / Operating system package or component

libndr0-32bit
Operating systems & Components / Operating system package or component

libndr-standard0-debuginfo
Operating systems & Components / Operating system package or component

libndr-standard0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libndr-standard0
Operating systems & Components / Operating system package or component

libndr-standard0-32bit
Operating systems & Components / Operating system package or component

libndr-nbt0-debuginfo
Operating systems & Components / Operating system package or component

libndr-nbt0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libndr-nbt0
Operating systems & Components / Operating system package or component

libndr-nbt0-32bit
Operating systems & Components / Operating system package or component

libndr-krb5pac0-debuginfo
Operating systems & Components / Operating system package or component

libndr-krb5pac0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libndr-krb5pac0
Operating systems & Components / Operating system package or component

libndr-krb5pac0-32bit
Operating systems & Components / Operating system package or component

libdcerpc0-debuginfo
Operating systems & Components / Operating system package or component

libdcerpc0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libdcerpc0
Operating systems & Components / Operating system package or component

libdcerpc0-32bit
Operating systems & Components / Operating system package or component

libdcerpc-binding0-debuginfo
Operating systems & Components / Operating system package or component

libdcerpc-binding0-debuginfo-32bit
Operating systems & Components / Operating system package or component

libdcerpc-binding0
Operating systems & Components / Operating system package or component

libdcerpc-binding0-32bit
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU58098

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-2124

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to SMB1 client connections can be downgraded to plaintext authentication. A remote attacker can perform a man-in-the-middle attack and downgrade a negotiated SMB1 client connection and its capabitilities.

Mitigation

Update the affected package samba to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP2-BCL

samba-doc: before 4.4.2-38.45.2

samba-winbind-debuginfo: before 4.4.2-38.45.2

samba-winbind-debuginfo-32bit: before 4.4.2-38.45.2

samba-winbind: before 4.4.2-38.45.2

samba-winbind-32bit: before 4.4.2-38.45.2

samba-libs-debuginfo: before 4.4.2-38.45.2

samba-libs-debuginfo-32bit: before 4.4.2-38.45.2

samba-libs: before 4.4.2-38.45.2

samba-libs-32bit: before 4.4.2-38.45.2

samba-debugsource: before 4.4.2-38.45.2

samba-debuginfo: before 4.4.2-38.45.2

samba-client-debuginfo: before 4.4.2-38.45.2

samba-client-debuginfo-32bit: before 4.4.2-38.45.2

samba-client: before 4.4.2-38.45.2

samba-client-32bit: before 4.4.2-38.45.2

samba: before 4.4.2-38.45.2

libwbclient0-debuginfo: before 4.4.2-38.45.2

libwbclient0-debuginfo-32bit: before 4.4.2-38.45.2

libwbclient0: before 4.4.2-38.45.2

libwbclient0-32bit: before 4.4.2-38.45.2

libtevent-util0-debuginfo: before 4.4.2-38.45.2

libtevent-util0-debuginfo-32bit: before 4.4.2-38.45.2

libtevent-util0: before 4.4.2-38.45.2

libtevent-util0-32bit: before 4.4.2-38.45.2

libsmbldap0-debuginfo: before 4.4.2-38.45.2

libsmbldap0-debuginfo-32bit: before 4.4.2-38.45.2

libsmbldap0: before 4.4.2-38.45.2

libsmbldap0-32bit: before 4.4.2-38.45.2

libsmbconf0-debuginfo: before 4.4.2-38.45.2

libsmbconf0-debuginfo-32bit: before 4.4.2-38.45.2

libsmbconf0: before 4.4.2-38.45.2

libsmbconf0-32bit: before 4.4.2-38.45.2

libsmbclient0-debuginfo: before 4.4.2-38.45.2

libsmbclient0-debuginfo-32bit: before 4.4.2-38.45.2

libsmbclient0: before 4.4.2-38.45.2

libsmbclient0-32bit: before 4.4.2-38.45.2

libsamdb0-debuginfo: before 4.4.2-38.45.2

libsamdb0-debuginfo-32bit: before 4.4.2-38.45.2

libsamdb0: before 4.4.2-38.45.2

libsamdb0-32bit: before 4.4.2-38.45.2

libsamba-util0-debuginfo: before 4.4.2-38.45.2

libsamba-util0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-util0: before 4.4.2-38.45.2

libsamba-util0-32bit: before 4.4.2-38.45.2

libsamba-passdb0-debuginfo: before 4.4.2-38.45.2

libsamba-passdb0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-passdb0: before 4.4.2-38.45.2

libsamba-passdb0-32bit: before 4.4.2-38.45.2

libsamba-hostconfig0-debuginfo: before 4.4.2-38.45.2

libsamba-hostconfig0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-hostconfig0: before 4.4.2-38.45.2

libsamba-hostconfig0-32bit: before 4.4.2-38.45.2

libsamba-errors0-debuginfo: before 4.4.2-38.45.2

libsamba-errors0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-errors0: before 4.4.2-38.45.2

libsamba-errors0-32bit: before 4.4.2-38.45.2

libsamba-credentials0-debuginfo: before 4.4.2-38.45.2

libsamba-credentials0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-credentials0: before 4.4.2-38.45.2

libsamba-credentials0-32bit: before 4.4.2-38.45.2

libnetapi0-debuginfo: before 4.4.2-38.45.2

libnetapi0-debuginfo-32bit: before 4.4.2-38.45.2

libnetapi0: before 4.4.2-38.45.2

libnetapi0-32bit: before 4.4.2-38.45.2

libndr0-debuginfo: before 4.4.2-38.45.2

libndr0-debuginfo-32bit: before 4.4.2-38.45.2

libndr0: before 4.4.2-38.45.2

libndr0-32bit: before 4.4.2-38.45.2

libndr-standard0-debuginfo: before 4.4.2-38.45.2

libndr-standard0-debuginfo-32bit: before 4.4.2-38.45.2

libndr-standard0: before 4.4.2-38.45.2

libndr-standard0-32bit: before 4.4.2-38.45.2

libndr-nbt0-debuginfo: before 4.4.2-38.45.2

libndr-nbt0-debuginfo-32bit: before 4.4.2-38.45.2

libndr-nbt0: before 4.4.2-38.45.2

libndr-nbt0-32bit: before 4.4.2-38.45.2

libndr-krb5pac0-debuginfo: before 4.4.2-38.45.2

libndr-krb5pac0-debuginfo-32bit: before 4.4.2-38.45.2

libndr-krb5pac0: before 4.4.2-38.45.2

libndr-krb5pac0-32bit: before 4.4.2-38.45.2

libdcerpc0-debuginfo: before 4.4.2-38.45.2

libdcerpc0-debuginfo-32bit: before 4.4.2-38.45.2

libdcerpc0: before 4.4.2-38.45.2

libdcerpc0-32bit: before 4.4.2-38.45.2

libdcerpc-binding0-debuginfo: before 4.4.2-38.45.2

libdcerpc-binding0-debuginfo-32bit: before 4.4.2-38.45.2

libdcerpc-binding0: before 4.4.2-38.45.2

libdcerpc-binding0-32bit: before 4.4.2-38.45.2

CPE2.3 External links

https://www.suse.com/support/update/announcement/2021/suse-su-20213673-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58097

Risk: Medium

CVSSv4.0: 6.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-25717

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the Windows Active Directory (AD) domains have by default a feature to allow users to create computer accounts. A remote authenticated attacker can create such account with elevated privileges on the system.

Mitigation

Update the affected package samba to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP2-BCL

samba-doc: before 4.4.2-38.45.2

samba-winbind-debuginfo: before 4.4.2-38.45.2

samba-winbind-debuginfo-32bit: before 4.4.2-38.45.2

samba-winbind: before 4.4.2-38.45.2

samba-winbind-32bit: before 4.4.2-38.45.2

samba-libs-debuginfo: before 4.4.2-38.45.2

samba-libs-debuginfo-32bit: before 4.4.2-38.45.2

samba-libs: before 4.4.2-38.45.2

samba-libs-32bit: before 4.4.2-38.45.2

samba-debugsource: before 4.4.2-38.45.2

samba-debuginfo: before 4.4.2-38.45.2

samba-client-debuginfo: before 4.4.2-38.45.2

samba-client-debuginfo-32bit: before 4.4.2-38.45.2

samba-client: before 4.4.2-38.45.2

samba-client-32bit: before 4.4.2-38.45.2

samba: before 4.4.2-38.45.2

libwbclient0-debuginfo: before 4.4.2-38.45.2

libwbclient0-debuginfo-32bit: before 4.4.2-38.45.2

libwbclient0: before 4.4.2-38.45.2

libwbclient0-32bit: before 4.4.2-38.45.2

libtevent-util0-debuginfo: before 4.4.2-38.45.2

libtevent-util0-debuginfo-32bit: before 4.4.2-38.45.2

libtevent-util0: before 4.4.2-38.45.2

libtevent-util0-32bit: before 4.4.2-38.45.2

libsmbldap0-debuginfo: before 4.4.2-38.45.2

libsmbldap0-debuginfo-32bit: before 4.4.2-38.45.2

libsmbldap0: before 4.4.2-38.45.2

libsmbldap0-32bit: before 4.4.2-38.45.2

libsmbconf0-debuginfo: before 4.4.2-38.45.2

libsmbconf0-debuginfo-32bit: before 4.4.2-38.45.2

libsmbconf0: before 4.4.2-38.45.2

libsmbconf0-32bit: before 4.4.2-38.45.2

libsmbclient0-debuginfo: before 4.4.2-38.45.2

libsmbclient0-debuginfo-32bit: before 4.4.2-38.45.2

libsmbclient0: before 4.4.2-38.45.2

libsmbclient0-32bit: before 4.4.2-38.45.2

libsamdb0-debuginfo: before 4.4.2-38.45.2

libsamdb0-debuginfo-32bit: before 4.4.2-38.45.2

libsamdb0: before 4.4.2-38.45.2

libsamdb0-32bit: before 4.4.2-38.45.2

libsamba-util0-debuginfo: before 4.4.2-38.45.2

libsamba-util0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-util0: before 4.4.2-38.45.2

libsamba-util0-32bit: before 4.4.2-38.45.2

libsamba-passdb0-debuginfo: before 4.4.2-38.45.2

libsamba-passdb0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-passdb0: before 4.4.2-38.45.2

libsamba-passdb0-32bit: before 4.4.2-38.45.2

libsamba-hostconfig0-debuginfo: before 4.4.2-38.45.2

libsamba-hostconfig0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-hostconfig0: before 4.4.2-38.45.2

libsamba-hostconfig0-32bit: before 4.4.2-38.45.2

libsamba-errors0-debuginfo: before 4.4.2-38.45.2

libsamba-errors0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-errors0: before 4.4.2-38.45.2

libsamba-errors0-32bit: before 4.4.2-38.45.2

libsamba-credentials0-debuginfo: before 4.4.2-38.45.2

libsamba-credentials0-debuginfo-32bit: before 4.4.2-38.45.2

libsamba-credentials0: before 4.4.2-38.45.2

libsamba-credentials0-32bit: before 4.4.2-38.45.2

libnetapi0-debuginfo: before 4.4.2-38.45.2

libnetapi0-debuginfo-32bit: before 4.4.2-38.45.2

libnetapi0: before 4.4.2-38.45.2

libnetapi0-32bit: before 4.4.2-38.45.2

libndr0-debuginfo: before 4.4.2-38.45.2

libndr0-debuginfo-32bit: before 4.4.2-38.45.2

libndr0: before 4.4.2-38.45.2

libndr0-32bit: before 4.4.2-38.45.2

libndr-standard0-debuginfo: before 4.4.2-38.45.2

libndr-standard0-debuginfo-32bit: before 4.4.2-38.45.2

libndr-standard0: before 4.4.2-38.45.2

libndr-standard0-32bit: before 4.4.2-38.45.2

libndr-nbt0-debuginfo: before 4.4.2-38.45.2

libndr-nbt0-debuginfo-32bit: before 4.4.2-38.45.2

libndr-nbt0: before 4.4.2-38.45.2

libndr-nbt0-32bit: before 4.4.2-38.45.2

libndr-krb5pac0-debuginfo: before 4.4.2-38.45.2

libndr-krb5pac0-debuginfo-32bit: before 4.4.2-38.45.2

libndr-krb5pac0: before 4.4.2-38.45.2

libndr-krb5pac0-32bit: before 4.4.2-38.45.2

libdcerpc0-debuginfo: before 4.4.2-38.45.2

libdcerpc0-debuginfo-32bit: before 4.4.2-38.45.2

libdcerpc0: before 4.4.2-38.45.2

libdcerpc0-32bit: before 4.4.2-38.45.2

libdcerpc-binding0-debuginfo: before 4.4.2-38.45.2

libdcerpc-binding0-debuginfo-32bit: before 4.4.2-38.45.2

libdcerpc-binding0: before 4.4.2-38.45.2

libdcerpc-binding0-32bit: before 4.4.2-38.45.2

CPE2.3 External links

https://www.suse.com/support/update/announcement/2021/suse-su-20213673-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###