openEuler 20.03 LTS SP3 update for samba

Published: 2022-08-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	4
CVE-ID	CVE-2022-32746 CVE-2022-32742 CVE-2022-32744 CVE-2022-2031
CWE-ID	CWE-416 CWE-401 CWE-264
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system samba-vfs-glusterfs Operating systems & Components / Operating system package or component samba-pidl Operating systems & Components / Operating system package or component libwbclient Operating systems & Components / Operating system package or component ctdb Operating systems & Components / Operating system package or component samba-common Operating systems & Components / Operating system package or component samba-test Operating systems & Components / Operating system package or component samba-winbind-clients Operating systems & Components / Operating system package or component samba-dc-bind-dlz Operating systems & Components / Operating system package or component samba-client Operating systems & Components / Operating system package or component samba-dc-provision Operating systems & Components / Operating system package or component samba-help Operating systems & Components / Operating system package or component samba-devel Operating systems & Components / Operating system package or component samba-common-tools Operating systems & Components / Operating system package or component libwbclient-devel Operating systems & Components / Operating system package or component samba-libs Operating systems & Components / Operating system package or component ctdb-tests Operating systems & Components / Operating system package or component samba-winbind Operating systems & Components / Operating system package or component python3-samba-test Operating systems & Components / Operating system package or component samba-debuginfo Operating systems & Components / Operating system package or component python3-samba-dc Operating systems & Components / Operating system package or component samba-krb5-printing Operating systems & Components / Operating system package or component python3-samba Operating systems & Components / Operating system package or component samba-winbind-modules Operating systems & Components / Operating system package or component samba-dc Operating systems & Components / Operating system package or component libsmbclient-devel Operating systems & Components / Operating system package or component samba-winbind-krb5-locator Operating systems & Components / Operating system package or component libsmbclient Operating systems & Components / Operating system package or component samba-debugsource Operating systems & Components / Operating system package or component samba Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU65827

Risk: Low

CVSSv3.1: 2.1 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32746

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error when handling LDAP requests. A remote user with ability to edit privileged properties, such as userAccountControl, can send a specially crafted LDAP request to the server, trigger a use-after-free error and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

samba-vfs-glusterfs: before 4.11.12-12

samba-pidl: before 4.11.12-12

libwbclient: before 4.11.12-12

ctdb: before 4.11.12-12

samba-common: before 4.11.12-12

samba-test: before 4.11.12-12

samba-winbind-clients: before 4.11.12-12

samba-dc-bind-dlz: before 4.11.12-12

samba-client: before 4.11.12-12

samba-dc-provision: before 4.11.12-12

samba-help: before 4.11.12-12

samba-devel: before 4.11.12-12

samba-common-tools: before 4.11.12-12

libwbclient-devel: before 4.11.12-12

samba-libs: before 4.11.12-12

ctdb-tests: before 4.11.12-12

samba-winbind: before 4.11.12-12

python3-samba-test: before 4.11.12-12

samba-debuginfo: before 4.11.12-12

python3-samba-dc: before 4.11.12-12

samba-krb5-printing: before 4.11.12-12

python3-samba: before 4.11.12-12

samba-winbind-modules: before 4.11.12-12

samba-dc: before 4.11.12-12

libsmbclient-devel: before 4.11.12-12

samba-winbind-krb5-locator: before 4.11.12-12

libsmbclient: before 4.11.12-12

samba-debugsource: before 4.11.12-12

samba: before 4.11.12-12

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1817

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

2) Memory leak

EUVDB-ID: #VU65824

Risk: Low

CVSSv3.1: 3.6 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32742

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due memory leak when handling SMB1 requests. A remote user with ability to write data to a file share can force the application to leak memory and gain access to potentially sensitive information.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

samba-vfs-glusterfs: before 4.11.12-12

samba-pidl: before 4.11.12-12

libwbclient: before 4.11.12-12

ctdb: before 4.11.12-12

samba-common: before 4.11.12-12

samba-test: before 4.11.12-12

samba-winbind-clients: before 4.11.12-12

samba-dc-bind-dlz: before 4.11.12-12

samba-client: before 4.11.12-12

samba-dc-provision: before 4.11.12-12

samba-help: before 4.11.12-12

samba-devel: before 4.11.12-12

samba-common-tools: before 4.11.12-12

libwbclient-devel: before 4.11.12-12

samba-libs: before 4.11.12-12

ctdb-tests: before 4.11.12-12

samba-winbind: before 4.11.12-12

python3-samba-test: before 4.11.12-12

samba-debuginfo: before 4.11.12-12

python3-samba-dc: before 4.11.12-12

samba-krb5-printing: before 4.11.12-12

python3-samba: before 4.11.12-12

samba-winbind-modules: before 4.11.12-12

samba-dc: before 4.11.12-12

libsmbclient-devel: before 4.11.12-12

samba-winbind-krb5-locator: before 4.11.12-12

libsmbclient: before 4.11.12-12

samba-debugsource: before 4.11.12-12

samba: before 4.11.12-12

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1817

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

3) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU65825

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32744

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

Exploit availability: No

Description

The vulnerability allows a remote user to force password change requests.

The vulnerability exists due to tickets received by the kpasswd service were decrypted without specifying that only that service's own keys should be tried. A remote user can force the server to accept tickets encrypted with any key and initiate password change requests for any Samba AD user.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

samba-vfs-glusterfs: before 4.11.12-12

samba-pidl: before 4.11.12-12

libwbclient: before 4.11.12-12

ctdb: before 4.11.12-12

samba-common: before 4.11.12-12

samba-test: before 4.11.12-12

samba-winbind-clients: before 4.11.12-12

samba-dc-bind-dlz: before 4.11.12-12

samba-client: before 4.11.12-12

samba-dc-provision: before 4.11.12-12

samba-help: before 4.11.12-12

samba-devel: before 4.11.12-12

samba-common-tools: before 4.11.12-12

libwbclient-devel: before 4.11.12-12

samba-libs: before 4.11.12-12

ctdb-tests: before 4.11.12-12

samba-winbind: before 4.11.12-12

python3-samba-test: before 4.11.12-12

samba-debuginfo: before 4.11.12-12

python3-samba-dc: before 4.11.12-12

samba-krb5-printing: before 4.11.12-12

python3-samba: before 4.11.12-12

samba-winbind-modules: before 4.11.12-12

samba-dc: before 4.11.12-12

libsmbclient-devel: before 4.11.12-12

samba-winbind-krb5-locator: before 4.11.12-12

libsmbclient: before 4.11.12-12

samba-debugsource: before 4.11.12-12

samba: before 4.11.12-12

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1817

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.

4) Security restrictions bypass

EUVDB-ID: #VU65820

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2031

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

Exploit availability: No

Description

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

The vulnerability exists due to the way the KDC kpasswd service handles password change requests. A remote user can escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

samba-vfs-glusterfs: before 4.11.12-12

samba-pidl: before 4.11.12-12

libwbclient: before 4.11.12-12

ctdb: before 4.11.12-12

samba-common: before 4.11.12-12

samba-test: before 4.11.12-12

samba-winbind-clients: before 4.11.12-12

samba-dc-bind-dlz: before 4.11.12-12

samba-client: before 4.11.12-12

samba-dc-provision: before 4.11.12-12

samba-help: before 4.11.12-12

samba-devel: before 4.11.12-12

samba-common-tools: before 4.11.12-12

libwbclient-devel: before 4.11.12-12

samba-libs: before 4.11.12-12

ctdb-tests: before 4.11.12-12

samba-winbind: before 4.11.12-12

python3-samba-test: before 4.11.12-12

samba-debuginfo: before 4.11.12-12

python3-samba-dc: before 4.11.12-12

samba-krb5-printing: before 4.11.12-12

python3-samba: before 4.11.12-12

samba-winbind-modules: before 4.11.12-12

samba-dc: before 4.11.12-12

libsmbclient-devel: before 4.11.12-12

samba-winbind-krb5-locator: before 4.11.12-12

libsmbclient: before 4.11.12-12

samba-debugsource: before 4.11.12-12

samba: before 4.11.12-12

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1817

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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