ALAS-2018-1094


Amazon Linux AMI Security Advisory: ALAS-2018-1094
Advisory Release Date: 2018-10-23 23:53 Pacific
Severity: Medium

Issue Overview:

A vulnerability was discovered in 389-ds-base. The lock controlling the error log was not correctly used when re-opening the log file in log__error_emergency(). An attacker could send a flood of modifications to a very large DN, which would cause slapd to crash.(CVE-2018-14624 )

A race condition was found in the way 389-ds-base handles persistent search, resulting in a crash if the server is under load. An anonymous attacker could use this flaw to trigger a denial of service.(CVE-2018-10850 )

A double-free of a password policy structure was found in the way slapd was handling certain errors during persistent search. A unauthenticated attacker could use this flaw to crash Directory Server.(CVE-2018-14638 )

A flaw was found in the 389 Directory Server that allows users to cause a crash in the LDAP server using ldapsearch with server side sort.(CVE-2018-10935 )


Affected Packages:

389-ds-base


Issue Correction:
Run yum update 389-ds-base to update your system.

New Packages:
i686:
    389-ds-base-1.3.7.5-28.58.amzn1.i686
    389-ds-base-debuginfo-1.3.7.5-28.58.amzn1.i686
    389-ds-base-devel-1.3.7.5-28.58.amzn1.i686
    389-ds-base-libs-1.3.7.5-28.58.amzn1.i686
    389-ds-base-snmp-1.3.7.5-28.58.amzn1.i686

src:
    389-ds-base-1.3.7.5-28.58.amzn1.src

x86_64:
    389-ds-base-devel-1.3.7.5-28.58.amzn1.x86_64
    389-ds-base-snmp-1.3.7.5-28.58.amzn1.x86_64
    389-ds-base-debuginfo-1.3.7.5-28.58.amzn1.x86_64
    389-ds-base-libs-1.3.7.5-28.58.amzn1.x86_64
    389-ds-base-1.3.7.5-28.58.amzn1.x86_64