Input validation error in OpenLDAP - CVE-2015-1545
Published: February 12, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32435
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-1545
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
OpenLDAP
openldap (Alpine package)
openldap
Fedora
openldap (Alpine package)
openldap
Fedora
How to mitigate CVE-2015-1545
Update to version 2.4.41.
OpenLDAP - update to 2.4.41
openldap (Alpine package) - addressed in versions 2.4.35-r2, 2.4.38-r1, 2.4.39-r1, 2.4.40-r1
openldap - update to 2.4.40-3.fc21
- update to 2.11-8ubuntu4
openldap (Alpine package) - addressed in versions 2.4.35-r2, 2.4.38-r1, 2.4.39-r1, 2.4.40-r1
openldap - update to 2.4.40-3.fc21
- update to 2.11-8ubuntu4
External References
- 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
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776988
- https://exchange.xforce.ibmcloud.com/vulnerabilities/100937
- https://seclists.org/bugtraq/2019/Dec/23
- https://support.apple.com/HT204659
- https://support.apple.com/kb/HT210788