Vulnerability identifier: #VU48143
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
OpenLDAP
Server applications /
Directory software, identity management
Vendor: OpenLDAP.org
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in slapd normalization handling with modrdn. A remote non-authenticated attacker can send specially crafted packet to the slapd daemon and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
OpenLDAP: 2.4 - 2.4.54
External links
http://bugs.openldap.org/show_bug.cgi?id=9370
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.