Medium: 389-ds-base

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

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:

i686:  
    389-ds-base-1.3.7.5-28.amzn2.0.1.i686  
    389-ds-base-libs-1.3.7.5-28.amzn2.0.1.i686  
    389-ds-base-devel-1.3.7.5-28.amzn2.0.1.i686  
    389-ds-base-snmp-1.3.7.5-28.amzn2.0.1.i686  
    389-ds-base-debuginfo-1.3.7.5-28.amzn2.0.1.i686  
  
src:  
    389-ds-base-1.3.7.5-28.amzn2.0.1.src  
  
x86_64:  
    389-ds-base-1.3.7.5-28.amzn2.0.1.x86_64  
    389-ds-base-libs-1.3.7.5-28.amzn2.0.1.x86_64  
    389-ds-base-devel-1.3.7.5-28.amzn2.0.1.x86_64  
    389-ds-base-snmp-1.3.7.5-28.amzn2.0.1.x86_64  
    389-ds-base-debuginfo-1.3.7.5-28.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2018-10850, CVE-2018-10935, CVE-2018-14624, CVE-2018-14638

Mitre: CVE-2018-10850, CVE-2018-10935, CVE-2018-14624, CVE-2018-14638