Vulnerability identifier: #VU55334
Vulnerability risk: Medium
CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-287
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
389-ds-base
Server applications /
Directory software, identity management
Vendor: 389 Directory Server Project
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in the way the asterisk character is processed by the LDAP server when importing password hashes from /etc/shadow for disabled accounts. As a result of the flaw, if an LDAP admin imports such an account from a NIS or /etc/shadow database into Directory Server, any password will be valid for that account.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
389-ds-base: 2.0.1 - 2.0.6
External links
http://bugzilla.redhat.com/show_bug.cgi?id=1982782
http://github.com/389ds/389-ds-base/issues/4817
http://github.com/389ds/389-ds-base/pull/4819
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.