Improper access control in samba (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-1057 |
| CWE-ID | CWE-284 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
samba (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper access control
EUVDB-ID: #VU10951
Risk: Medium
CVSSv3.1: 7.8 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1057
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to change password of arbitrary user on the server.
The vulnerability exists due to insufficient validation of user rights when changing passwords. An authenticated attacker can send a specially crated LDAP request to the directory server and change password of arbitrary AD user, including administrative accounts.
Install update from vendor's website.
Vulnerable software versionssamba (Alpine package): 4.1.1-r0 - 4.4.16-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=d773d4c9846c9af6fff4cf55c1942ce486760f82
http://git.alpinelinux.org/aports/commit/?id=16426b237661b92cf7fe99957baa2311bf66963e
http://git.alpinelinux.org/aports/commit/?id=879a3f1333aee0db3a97bc72522daf6f446c9684
http://git.alpinelinux.org/aports/commit/?id=ccb66a4b1c5776ef7ba3d2b064f4290512ba3c84
http://git.alpinelinux.org/aports/commit/?id=6245a2ceb9dc360ca5f8beb4419ea14952923a37
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.
