Security Fix(es) :

  - A flaw was found in the way 389-ds-base handled     authentication attempts against locked accounts. A     remote attacker could potentially use this flaw to     continue password brute-forcing attacks against LDAP     accounts, thereby bypassing the protection offered by     the directory server's password lockout policy.
    (CVE-2017-7551)

Bug Fix(es) :

  - In a multi-replication environments, if operations in     one back end triggered updates in another back end, the     Replica Update Vector (RUV) of the back end was     incorrect and replication failed. This fix enables     Directory Server to handle Change Sequence Number (CSN)     pending lists across multiple back ends. As a result,     replication works correctly.

  - Due to a low default entry cache size value, the     Directory Server database had to resolve many deadlocks     during resource-intensive tasks. In certain situations,     this could result in a 'DB PANIC' error and the server     no longer responded to requests. After the server was     restarted, Directory Server started with a delay to     recover the database. However, this recovery could fail,     and the database could corrupt. This patch increases the     default entry cache size in the nsslapd-cachememsize     parameter to 200 MB. As a result, out-of-lock situations     or 'DB PANIC' errors no longer occur in the mentioned     scenario.

  - Previously, if replication was enabled and a changelog     file existed, performing a backup on this master server     failed. This update sets the internal options for     correctly copying a file. As a result, creating a backup     now succeeds in the mentioned scenario.

  - In certain situations, if the server was previously     abruptly shut down, the     /etc/dirsrv/<instance_name>/dse.ldif configuration file     became corrupted. As a consequence, Directory Server     failed to start. With this patch, the server now calls     the fsync() function before shutting down to force the     file system to write any changes to the disk. As a     result, the configuration no longer becomes corrupted,     regardless how the server gets stopped.

Detections

Analytics

Scientific Linux Security Update : 389-ds-base on SL7.x x86_64 (20170905)

critical Nessus Plugin ID 102972

Version 3.6