openEuler 22.03 LTS update for samba
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-44141 |
| CWE-ID | CWE-59 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
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 one low risk vulnerability.
1) Link following
EUVDB-ID: #VU60187
Risk: Low
CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-44141
CWE-ID:
CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to insecure link following. A remote user with ability to write files to the exported part of the file system under a share via SMB1 unix extensions or via NFS can create a symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 22.03 LTS
samba-vfs-glusterfs: before 4.15.3-6
samba-pidl: before 4.15.3-6
libwbclient: before 4.15.3-6
ctdb: before 4.15.3-6
samba-common: before 4.15.3-6
samba-test: before 4.15.3-6
samba-winbind-clients: before 4.15.3-6
samba-dc-bind-dlz: before 4.15.3-6
samba-client: before 4.15.3-6
samba-dc-provision: before 4.15.3-6
samba-help: before 4.15.3-6
samba-devel: before 4.15.3-6
samba-common-tools: before 4.15.3-6
libwbclient-devel: before 4.15.3-6
samba-libs: before 4.15.3-6
ctdb-tests: before 4.15.3-6
samba-winbind: before 4.15.3-6
python3-samba-test: before 4.15.3-6
samba-debuginfo: before 4.15.3-6
python3-samba-dc: before 4.15.3-6
samba-krb5-printing: before 4.15.3-6
python3-samba: before 4.15.3-6
samba-winbind-modules: before 4.15.3-6
samba-dc: before 4.15.3-6
libsmbclient-devel: before 4.15.3-6
samba-winbind-krb5-locator: before 4.15.3-6
libsmbclient: before 4.15.3-6
samba-debugsource: before 4.15.3-6
samba: before 4.15.3-6
CPE2.3- cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
- cpe:2.3:o:openeuler:samba-vfs-glusterfs:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-pidl:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:libwbclient:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:ctdb:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-common:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-test:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-winbind-clients:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-dc-bind-dlz:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-client:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-dc-provision:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-common-tools:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:libwbclient-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-libs:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:ctdb-tests:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-winbind:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:python3-samba-test:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:python3-samba-dc:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-krb5-printing:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:python3-samba:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-winbind-modules:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-dc:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:libsmbclient-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-winbind-krb5-locator:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:libsmbclient:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:o:openeuler:samba:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1770
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.
