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openSUSE 15.3: 2021:3647-1 Important: Samba And LDB Security Risks

opensuse
Calendar Grey November 10, 2021
Scroller Opensuse
openSUSE has released a security patch addressing severe vulnerabilities in samba and ldb, which could lead to privilege escalation and buffer overflow exploits.
An update that fixes 8 vulnerabilities is now available

Description

This update for samba and ldb fixes the following issues:

- CVE-2020-25718: Fixed that an RODC can issue (forge) administrator

tickets to other servers (bsc#1192246).

- CVE-2021-3738: Fixed crash in dsdb stack (bsc#1192215).

- CVE-2016-2124: Fixed not to fallback to non spnego authentication if we

require kerberos (bsc#1014440).

- CVE-2020-25717: Fixed privilege escalation inside an AD Domain where a

user could become root on domain members (bsc#1192284).

- CVE-2020-25719: Fixed AD DC Username based races when no PAC is given

(bsc#1192247).

- CVE-2020-25722: Fixed AD DC UPN vs samAccountName not checked (top-level

bug for AD DC validation issues) (bsc#1192283).

- CVE-2021-23192: Fixed dcerpc requests to don't check all fragments

against the first auth_state (bsc#1192214).

- CVE-2020-25721: Fixed fill in the new HAS_SAM_NAME_AND_SID values

(bsc#1192505).

Samba was updated to 4.13.13

* rodc_rwdc test...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory buffer overflow privilege escalation samba important update openSUSE ldb

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-3647=1

Package List

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

ctdb-4.13.13+git.528.140935f8d6a-3.12.1

ctdb-debuginfo-4.13.13+git.528.140935f8d6a-3.12.1

ctdb-pcp-pmda-4.13.13+git.528.140935f8d6a-3.12.1

ctdb-pcp-pmda-debuginfo-4.13.13+git.528.140935f8d6a-3.12.1

ctdb-tests-4.13.13+git.528.140935f8d6a-3.12.1

ctdb-tests-debuginfo-4.13.13+git.528.140935f8d6a-3.12.1

ldb-debugsource-2.2.2-3.3.1

ldb-tools-2.2.2-3.3.1

ldb-tools-debuginfo-2.2.2-3.3.1

libdcerpc-binding0-4.13.13+git.528.140935f8d6a-3.12.1

libdcerpc-binding0-debuginfo-4.13.13+git.528.140935f8d6a-3.12.1

libdcerpc-devel-4.13.13+git.528.140935f8d6a-3.12.1

libdcerpc-samr-devel-4.13.13+git.528.140935f8d6a-3.12.1

libdcerpc-samr0-4.13.13+git.528.140935f8d6a-3.12.1

libdcerpc-samr0-debuginfo-4.13.13+git.528.140935f8d6a-3.12.1

libdcerpc0-4.13.13+git.528.140935f8d6a-3.12.1

libdcerpc0-debuginfo-4.13.13+git.528.140935f8d6a-3.12.1

libldb-devel-2.2.2-3.3.1

libldb2-2.2.2-3.3.1

libldb2-debuginfo-2.2.2-3.3.1

libndr-devel-4.13.13+git.528.140935f8d6a-3.12.1

libndr-krb5pac-devel-4.13...

Read the Full Advisory

References

https://www.suse.com/security/cve/CVE-2016-2124.html

https://www.suse.com/security/cve/CVE-2020-25717.html

https://www.suse.com/security/cve/CVE-2020-25718.html

https://www.suse.com/security/cve/CVE-2020-25719.html

https://www.suse.com/security/cve/CVE-2020-25721.html

https://www.suse.com/security/cve/CVE-2020-25722.html

https://www.suse.com/security/cve/CVE-2021-23192.html

https://www.suse.com/security/cve/CVE-2021-3738.html

https://bugzilla.suse.com/1014440

https://bugzilla.suse.com/1192214

https://bugzilla.suse.com/1192215

https://bugzilla.suse.com/1192246

https://bugzilla.suse.com/1192247

https://bugzilla.suse.com/1192283

https://bugzilla.suse.com/1192284

https://bugzilla.suse.com/1192505

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:3647-1
Rating: important
Affected Products: openSUSE Leap 15.3 .

Topics%20covered

Topics Covered

security advisory buffer overflow privilege escalation samba important update openSUSE ldb

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