Description
A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Debian / debian_linux9.0 – 9.0
- fedoraproject / fedora33 – 33
- openldap / openldap2.4.56
- RedHat / enterprise_linux5.0 – 5.0
- RedHat / enterprise_linux6.0 – 6.0
- RedHat / enterprise_linux7.0 – 7.0
- RedHat / jboss_core_services
- RedHat / jboss_enterprise_application_platform5.0.0 – 5.0.0
- RedHat / jboss_enterprise_web_server2.0.0 – 2.0.0
References
- VENDOR_ADVISORYhttps://www.debian.org/security/2020/dsa-4792
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2020/12/msg00008.html
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=1899678
- MISChttps://git.openldap.org/openldap/openldap/-/commit/ab3915154e69920d480205b4bf5ccb2b391a0a1f#a2feb6ed0257c21c6672793ee2f94eaadc10c72c
- MAILING_LISThttps://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- MAILING_LISThttps://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- MISChttps://security.netapp.com/advisory/ntap-20210716-0003/
Updated 23m ago · 8 sources