SUSE update for samba



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-44142
CWE-ID CWE-787
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
SUSE Linux Enterprise High Availability
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing
Operating systems & Components / Operating system

SUSE Enterprise Storage
Operating systems & Components / Operating system

SUSE CaaS Platform
Operating systems & Components / Operating system

SUSE Linux Enterprise Server
Operating systems & Components / Operating system

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

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

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

ctdb
Operating systems & Components / Operating system package or component

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

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

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

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

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

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

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

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

libsmbldap2-32bit-debuginfo
Operating systems & Components / Operating system package or component

libsmbldap2-32bit
Operating systems & Components / Operating system package or component

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

samba-python3-debuginfo
Operating systems & Components / Operating system package or component

samba-python3
Operating systems & Components / Operating system package or component

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

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

samba-libs-python3-debuginfo
Operating systems & Components / Operating system package or component

samba-libs-python3
Operating systems & Components / Operating system package or component

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

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

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

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

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

samba-dsdb-modules
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-core-devel
Operating systems & Components / Operating system package or component

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

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

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

samba-ad-dc
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
Operating systems & Components / Operating system package or component

libwbclient-devel
Operating systems & Components / Operating system package or component

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

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

libtevent-util-devel
Operating systems & Components / Operating system package or component

libsmbldap2-debuginfo
Operating systems & Components / Operating system package or component

libsmbldap2
Operating systems & Components / Operating system package or component

libsmbldap-devel
Operating systems & Components / Operating system package or component

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

libsmbconf0
Operating systems & Components / Operating system package or component

libsmbconf-devel
Operating systems & Components / Operating system package or component

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

libsmbclient0
Operating systems & Components / Operating system package or component

libsmbclient-devel
Operating systems & Components / Operating system package or component

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

libsamdb0
Operating systems & Components / Operating system package or component

libsamdb-devel
Operating systems & Components / Operating system package or component

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

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

libsamba-util-devel
Operating systems & Components / Operating system package or component

libsamba-policy0-python3-debuginfo
Operating systems & Components / Operating system package or component

libsamba-policy0-python3
Operating systems & Components / Operating system package or component

libsamba-policy0-debuginfo
Operating systems & Components / Operating system package or component

libsamba-policy0
Operating systems & Components / Operating system package or component

libsamba-policy-python3-devel
Operating systems & Components / Operating system package or component

libsamba-policy-devel
Operating systems & Components / Operating system package or component

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

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

libsamba-passdb-devel
Operating systems & Components / Operating system package or component

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

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

libsamba-hostconfig-devel
Operating systems & Components / Operating system package or component

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

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

libsamba-errors-devel
Operating systems & Components / Operating system package or component

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

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

libsamba-credentials-devel
Operating systems & Components / Operating system package or component

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

libnetapi0
Operating systems & Components / Operating system package or component

libnetapi-devel
Operating systems & Components / Operating system package or component

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

libndr0
Operating systems & Components / Operating system package or component

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

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

libndr-standard-devel
Operating systems & Components / Operating system package or component

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

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

libndr-nbt-devel
Operating systems & Components / Operating system package or component

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

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

libndr-krb5pac-devel
Operating systems & Components / Operating system package or component

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

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

libdcerpc0
Operating systems & Components / Operating system package or component

libdcerpc-samr0-debuginfo
Operating systems & Components / Operating system package or component

libdcerpc-samr0
Operating systems & Components / Operating system package or component

libdcerpc-samr-devel
Operating systems & Components / Operating system package or component

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

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

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

Vendor SUSE

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU60186

Risk: High

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U:Amber]

CVE-ID: CVE-2021-44142

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing EA metadata while opening files in smbd within the VFS Samba module (vfs_fruit). A remote attacker with ability to write to file's extended attributes can trigger an out-of-bounds write and execute arbitrary code with root privileges.

Note, the vulnerability in vfs_fruit exists in the default configuration of the fruit VFS module using fruit:metadata=netatalk or fruit:resource=file.

Mitigation

Update the affected package samba to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability: 15-SP1

SUSE Linux Enterprise Server for SAP: 15-SP1

SUSE Linux Enterprise High Performance Computing: 15-SP1-LTSS - 15-SP1-ESPOS

SUSE Enterprise Storage: 6

SUSE CaaS Platform: 4.0

SUSE Linux Enterprise Server: 15-SP1-BCL - 15-SP1-LTSS

samba-ceph-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-ceph: before 4.9.5+git.483.212a7ebca6b-3.64.1

ctdb-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

ctdb: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-winbind-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-winbind-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-libs-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-libs-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libwbclient0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libwbclient0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libtevent-util0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libtevent-util0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbldap2-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbldap2-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbconf0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbconf0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamdb0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamdb0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-util0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-util0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-passdb0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-passdb0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-hostconfig0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-hostconfig0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-errors0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-errors0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-credentials0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-credentials0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libnetapi0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libnetapi0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-standard0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-standard0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-nbt0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-nbt0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-krb5pac0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-krb5pac0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc-binding0-32bit-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc-binding0-32bit: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-winbind-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-winbind: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-python3-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-python3: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-python-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-python: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-libs-python3-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-libs-python3: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-libs-python-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-libs-python: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-libs-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-libs: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-dsdb-modules-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-dsdb-modules: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-debugsource: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-core-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-client-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-client: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-ad-dc-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba-ad-dc: before 4.9.5+git.483.212a7ebca6b-3.64.1

samba: before 4.9.5+git.483.212a7ebca6b-3.64.1

libwbclient0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libwbclient0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libwbclient-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libtevent-util0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libtevent-util0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libtevent-util-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbldap2-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbldap2: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbldap-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbconf0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbconf0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbconf-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbclient0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbclient0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsmbclient-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamdb0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamdb0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamdb-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-util0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-util0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-util-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-policy0-python3-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-policy0-python3: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-policy0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-policy0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-policy-python3-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-policy-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-passdb0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-passdb0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-passdb-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-hostconfig0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-hostconfig0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-hostconfig-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-errors0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-errors0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-errors-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-credentials0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-credentials0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libsamba-credentials-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libnetapi0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libnetapi0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libnetapi-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-standard0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-standard0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-standard-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-nbt0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-nbt0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-nbt-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-krb5pac0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-krb5pac0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-krb5pac-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libndr-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc-samr0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc-samr0: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc-samr-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc-devel: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc-binding0-debuginfo: before 4.9.5+git.483.212a7ebca6b-3.64.1

libdcerpc-binding0: before 4.9.5+git.483.212a7ebca6b-3.64.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20220284-1/


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. However, proof of concept for this vulnerability is available.



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