1) Input validation error

EUVDB-ID: #VU32435

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2015-1545

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and crash) via an empty attribute list in a deref control in a search request.

Mitigation

Update to version 2.4.41.

Vulnerable software versions

OpenLDAP: 2.4.13 - 2.4.40

---

CPE2.3

• cpe:2.3:a:openldap_org:openldap:2.4.13:*:*:*:*:*:*:*

External links

http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
http://lists.opensuse.org/opensuse-updates/2015-07/msg00069.html
http://seclists.org/fulldisclosure/2019/Dec/26
http://secunia.com/advisories/62787
http://www.debian.org/security/2015/dsa-3209
http://www.mandriva.com/security/advisories?name=MDVSA-2015:073
http://www.mandriva.com/security/advisories?name=MDVSA-2015:074
http://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commit;h=c32e74763f77675b9e144126e375977ed6dc562c
http://www.openldap.org/its/?findid=8027
http://www.openwall.com/lists/oss-security/2015/02/07/3
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.securityfocus.com/bid/72519
http://www.securitytracker.com/id/1032399
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776988
http://exchange.xforce.ibmcloud.com/vulnerabilities/100937
http://seclists.org/bugtraq/2019/Dec/23
http://support.apple.com/HT204659
http://support.apple.com/kb/HT210788

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?