SUSE update for samba

Published: 2023-07-24

Risk	Medium
Patch available	YES
Number of vulnerabilities	4
CVE-ID	CVE-2022-2127 CVE-2023-34966 CVE-2023-34967 CVE-2023-34968
CWE-ID	CWE-125 CWE-835 CWE-843 CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise High Availability Extension 12 Operating systems & Components / Operating system SUSE Linux Enterprise Software Development Kit 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 12 Operating systems & Components / Operating system samba-devel-32bit Operating systems & Components / Operating system package or component libsamba-policy-devel Operating systems & Components / Operating system package or component samba-devel Operating systems & Components / Operating system package or component samba-libs-32bit Operating systems & Components / Operating system package or component samba-libs-python3-32bit Operating systems & Components / Operating system package or component samba-client-libs-32bit Operating systems & Components / Operating system package or component libsamba-policy0-python3-32bit Operating systems & Components / Operating system package or component samba-libs-debuginfo-32bit Operating systems & Components / Operating system package or component samba-winbind-libs-debuginfo-32bit Operating systems & Components / Operating system package or component samba-client-libs-debuginfo-32bit Operating systems & Components / Operating system package or component samba-client-debuginfo-32bit Operating systems & Components / Operating system package or component samba-winbind-libs-32bit Operating systems & Components / Operating system package or component libsamba-policy0-python3-debuginfo-32bit Operating systems & Components / Operating system package or component samba-libs-python3-debuginfo-32bit Operating systems & Components / Operating system package or component samba-client-32bit Operating systems & Components / Operating system package or component samba-doc Operating systems & Components / Operating system package or component libsamba-policy-python3-devel Operating systems & Components / Operating system package or component samba-winbind-libs-debuginfo Operating systems & Components / Operating system package or component samba-client-libs-debuginfo Operating systems & Components / Operating system package or component ctdb Operating systems & Components / Operating system package or component samba-libs-debuginfo Operating systems & Components / Operating system package or component samba-tool Operating systems & Components / Operating system package or component samba-winbind Operating systems & Components / Operating system package or component samba-client Operating systems & Components / Operating system package or component samba-python3-debuginfo Operating systems & Components / Operating system package or component ctdb-debuginfo Operating systems & Components / Operating system package or component libsamba-policy0-python3-debuginfo Operating systems & Components / Operating system package or component samba-winbind-libs Operating systems & Components / Operating system package or component samba-libs Operating systems & Components / Operating system package or component samba-client-libs Operating systems & Components / Operating system package or component samba-libs-python3-debuginfo Operating systems & Components / Operating system package or component samba-client-debuginfo Operating systems & Components / Operating system package or component samba-python3 Operating systems & Components / Operating system package or component samba Operating systems & Components / Operating system package or component samba-debugsource Operating systems & Components / Operating system package or component samba-libs-python3 Operating systems & Components / Operating system package or component libsamba-policy0-python3 Operating systems & Components / Operating system package or component samba-debuginfo Operating systems & Components / Operating system package or component samba-ldb-ldap Operating systems & Components / Operating system package or component samba-winbind-debuginfo Operating systems & Components / Operating system package or component samba-ldb-ldap-debuginfo Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU78577

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-2127

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information or perform denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in winbindd_pam_auth_crap.c in winbind AUTH_CRAP when performing NTLM authentication. A remote attacker can trigger an out-of-bounds read error and gain access to sensitive information or crash the server.

Mitigation

Update the affected package samba to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 12: SP5

SUSE Linux Enterprise Software Development Kit 12: SP5

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

samba-devel-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

libsamba-policy-devel: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-devel: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-libs-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-libs-python3-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-client-libs-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

libsamba-policy0-python3-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-libs-debuginfo-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-winbind-libs-debuginfo-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-client-libs-debuginfo-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-client-debuginfo-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-winbind-libs-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

libsamba-policy0-python3-debuginfo-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-libs-python3-debuginfo-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-client-32bit: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-doc: before 4.15.13+git.621.c8ae836ff82-3.85.1

libsamba-policy-python3-devel: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-winbind-libs-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-client-libs-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

ctdb: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-libs-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-tool: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-winbind: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-client: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-python3-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

ctdb-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

libsamba-policy0-python3-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-winbind-libs: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-libs: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-client-libs: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-libs-python3-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-client-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-python3: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-debugsource: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-libs-python3: before 4.15.13+git.621.c8ae836ff82-3.85.1

libsamba-policy0-python3: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-ldb-ldap: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-winbind-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

samba-ldb-ldap-debuginfo: before 4.15.13+git.621.c8ae836ff82-3.85.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232888-1/

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) Infinite loop

EUVDB-ID: #VU78574

Risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-34966

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop when parsing Spotlight mdssvc RPC packets. A remote attacker can consume all available system resources and cause denial of service conditions on servers where Spotlight is explicitly enabled globally or on individual shares with "spotlight = yes".