SUSE update for samba

1) Out-of-bounds read

EUVDB-ID: #VU78577

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

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: SP4

SUSE Linux Enterprise Server for SAP Applications 12: SP4

SUSE Linux Enterprise Server 12 SP4 LTSS: 12-SP4

SUSE Linux Enterprise Server 12 SP4 ESPOS: 12-SP4

SUSE Linux Enterprise Server 12: SP4

SUSE Linux Enterprise High Performance Computing 12: SP4

SUSE OpenStack Cloud Crowbar: 9

SUSE OpenStack Cloud: 9

ctdb: before 4.6.16+git.393.97432483687-3.81.1

ctdb-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

samba-doc: before 4.6.16+git.393.97432483687-3.81.1

libdcerpc-binding0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libsamba-util0: before 4.6.16+git.393.97432483687-3.81.1

libtevent-util0: before 4.6.16+git.393.97432483687-3.81.1

libndr-krb5pac0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libwbclient0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libsmbldap0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libdcerpc-binding0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

samba-winbind-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamdb0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libdcerpc0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libndr-krb5pac0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsmbconf0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsmbclient0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsmbldap0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

samba-libs-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libndr0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libnetapi0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

samba-client-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libnetapi0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libsamba-util0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsmbclient0: before 4.6.16+git.393.97432483687-3.81.1

libsamba-credentials0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

samba-client-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-passdb0: before 4.6.16+git.393.97432483687-3.81.1

samba-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libsamba-credentials0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libdcerpc-binding0: before 4.6.16+git.393.97432483687-3.81.1

libnetapi0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-passdb0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

samba-winbind-32bit: before 4.6.16+git.393.97432483687-3.81.1

libwbclient0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-util0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libndr-standard0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

samba: before 4.6.16+git.393.97432483687-3.81.1

libndr-nbt0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libsamba-passdb0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-credentials0: before 4.6.16+git.393.97432483687-3.81.1

libndr-nbt0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libwbclient0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libdcerpc-binding0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libdcerpc0-32bit: before 4.6.16+git.393.97432483687-3.81.1

samba-libs-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamdb0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libdcerpc0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

samba-winbind-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libsamdb0: before 4.6.16+git.393.97432483687-3.81.1

samba-libs-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libnetapi0: before 4.6.16+git.393.97432483687-3.81.1

libsmbclient0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libndr0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libtevent-util0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libwbclient0: before 4.6.16+git.393.97432483687-3.81.1

samba-debugsource: before 4.6.16+git.393.97432483687-3.81.1

libsamba-util0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

samba-libs: before 4.6.16+git.393.97432483687-3.81.1

libtevent-util0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

samba-client: before 4.6.16+git.393.97432483687-3.81.1

libsamba-passdb0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libndr-nbt0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libndr-krb5pac0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-errors0: before 4.6.16+git.393.97432483687-3.81.1

samba-client-32bit: before 4.6.16+git.393.97432483687-3.81.1

libndr0: before 4.6.16+git.393.97432483687-3.81.1

libndr0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libtevent-util0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libdcerpc0: before 4.6.16+git.393.97432483687-3.81.1

libndr-standard0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-hostconfig0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-errors0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsmbconf0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libndr-standard0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsmbldap0: before 4.6.16+git.393.97432483687-3.81.1

libsmbldap0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-credentials0-32bit: before 4.6.16+git.393.97432483687-3.81.1

libndr-standard0: before 4.6.16+git.393.97432483687-3.81.1

libsamba-hostconfig0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libndr-nbt0: before 4.6.16+git.393.97432483687-3.81.1

libsamba-errors0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsmbconf0: before 4.6.16+git.393.97432483687-3.81.1

libsamdb0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-hostconfig0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libsamba-errors0-debuginfo: before 4.6.16+git.393.97432483687-3.81.1

libndr-krb5pac0: before 4.6.16+git.393.97432483687-3.81.1

libsmbconf0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

samba-winbind: before 4.6.16+git.393.97432483687-3.81.1

libsmbclient0-debuginfo-32bit: before 4.6.16+git.393.97432483687-3.81.1

libsamba-hostconfig0: before 4.6.16+git.393.97432483687-3.81.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_high_availability_extension_12:SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp4_ltss:12-SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp4_espos:12-SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_openstack_cloud_crowbar:9:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_openstack_cloud:9:*:*:*:*:*:*:

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20232887-1/

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.