Vulnerability identifier: #VU48515
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion when processing LDAP requests in slapd within the csnNormalize23() function in schema_init.c. A remote attacker can send a specially crafted packet to the server, trigger an assertion failure and crash the daemon.
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Vulnerable software versions
OpenLDAP: 2.4.8 - 2.4.55
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.