Vulnerability identifier: #VU10951
Vulnerability 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:
CWE-ID:
CWE-284
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
Samba
Server applications /
Directory software, identity management
Vendor: Samba
Description
The 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.
Mitigation
Apply patch from vendors website.
Vulnerable software versions
Samba: 4.7.0 - 4.7.5, 4.6.0 - 4.6.13, 4.5.0 - 4.5.15, 4.4.0 - 4.4.16, 4.3.0 - 4.3.13, 4.2.0 - 4.2.14, 4.1.0 - 4.1.23, 4.0.0 - 4.0.26
External links
http://www.samba.org/samba/security/CVE-2018-1057.html
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.