Amazon Linux 2 Security Advisory: ALAS-2021-1650
Advisory Release Date: 2021-06-16 20:37 Pacific
Advisory Updated Date: 2021-06-22 21:41 Pacific
Severity:
Medium
Issue Overview:
When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database. (CVE-2020-35518)
Affected Packages:
389-ds-base
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 389-ds-base to update your system.
New Packages:
aarch64:
389-ds-base-1.3.10.2-12.amzn2.0.1.aarch64
389-ds-base-libs-1.3.10.2-12.amzn2.0.1.aarch64
389-ds-base-devel-1.3.10.2-12.amzn2.0.1.aarch64
389-ds-base-snmp-1.3.10.2-12.amzn2.0.1.aarch64
389-ds-base-debuginfo-1.3.10.2-12.amzn2.0.1.aarch64
i686:
389-ds-base-1.3.10.2-12.amzn2.0.1.i686
389-ds-base-libs-1.3.10.2-12.amzn2.0.1.i686
389-ds-base-devel-1.3.10.2-12.amzn2.0.1.i686
389-ds-base-snmp-1.3.10.2-12.amzn2.0.1.i686
389-ds-base-debuginfo-1.3.10.2-12.amzn2.0.1.i686
src:
389-ds-base-1.3.10.2-12.amzn2.0.1.src
x86_64:
389-ds-base-1.3.10.2-12.amzn2.0.1.x86_64
389-ds-base-libs-1.3.10.2-12.amzn2.0.1.x86_64
389-ds-base-devel-1.3.10.2-12.amzn2.0.1.x86_64
389-ds-base-snmp-1.3.10.2-12.amzn2.0.1.x86_64
389-ds-base-debuginfo-1.3.10.2-12.amzn2.0.1.x86_64