Amazon Linux 2 Security Advisory: ALAS-2021-1638
Advisory Release Date: 2021-05-20 15:59 Pacific
Advisory Updated Date: 2021-05-24 17:56 Pacific
A NULL pointer dereference flaw was found in the OpenLDAP server, during a request for renaming RDNs. This flaw allows a remote, unauthenticated attacker to crash the slapd process by sending a specially crafted request, causing a denial of service. The highest threat from this vulnerability is to system availability. (CVE-2020-25692)
Affected Packages:
openldap
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update openldap to update your system.
aarch64:
openldap-2.4.44-23.amzn2.aarch64
openldap-devel-2.4.44-23.amzn2.aarch64
openldap-servers-2.4.44-23.amzn2.aarch64
openldap-servers-sql-2.4.44-23.amzn2.aarch64
openldap-clients-2.4.44-23.amzn2.aarch64
openldap-debuginfo-2.4.44-23.amzn2.aarch64
i686:
openldap-2.4.44-23.amzn2.i686
openldap-devel-2.4.44-23.amzn2.i686
openldap-servers-2.4.44-23.amzn2.i686
openldap-servers-sql-2.4.44-23.amzn2.i686
openldap-clients-2.4.44-23.amzn2.i686
openldap-debuginfo-2.4.44-23.amzn2.i686
src:
openldap-2.4.44-23.amzn2.src
x86_64:
openldap-2.4.44-23.amzn2.x86_64
openldap-devel-2.4.44-23.amzn2.x86_64
openldap-servers-2.4.44-23.amzn2.x86_64
openldap-servers-sql-2.4.44-23.amzn2.x86_64
openldap-clients-2.4.44-23.amzn2.x86_64
openldap-debuginfo-2.4.44-23.amzn2.x86_64