Keepalived 2.0.10 发布，C 语言编写的路由软件

内容简介：Keepalived 2.0.10 已发布，Keepalived 是一款用 C 编写的路由软件。该项目的主要目标是为 Linux 系统和基于 Linux 的基础设备提供简单而强大的负载均衡和高可用性。 更新内容： Fix compiling on Alpine Linux....

Keepalived 2.0.10 已发布，Keepalived 是一款用 C 编写的路由软件。该项目的主要目标是为 Linux 系统和基于 Linux 的基础设备提供简单而强大的负载均衡和高可用性。

更新内容：

• Fix compiling on Alpine Linux.
  

• Stop printf compiler warning on Alpine Linux due to rlim_t. manpage cosmetic.
  

• Fix removing snmpd read threads when snmpd becomes unavailable.
  

• Update to support libipset version 7.
  

• Use ipset_printf for ipset messages so can go to log.
  

• When opening files for write, ensure files can only be read by root. Issue #1048 referred to CVE-2018-19046 regarding files used for debugging purposes could potentially be read by non root users. This commit ensures that such log files cannot be opened by non root users.
  

• Disable fopen_safe() append mode by default If a non privileged user creates /tmp/keepalived.log and has it open for read (e.g. tail -f), then even though keepalived will change the owner to root and remove all read/write permissions from non owners, the application which already has the file open will be able to read the added log entries. Accordingly, opening a file in append mode is disabled by default, and only enabled if --enable-smtp-alert-debug or --enable-log-file (which are debugging options and unset by default) are enabled. This should further alleviate security concerns related to CVE-2018-19046.
  

• vrrp: add support to constant time memcmp. Just an update to use best practise security design pattern. While comparing password or hmac you need to ensure comparison function is time constant in order to figth against any timing attacks. We turn off potential compiler optimizations for this particular function to avoid any short circuit.
  

• Make sure a non privileged user cannot read keepalived file output Ensure that when a file such as /tmp/keepalived.data is wriiten, no non privileged can have a previous version of that file already open, thereby allowing them to read the data. This should fully resolve CVE-2018-19046.

下载地址：

http://www.keepalived.org/download.html 

【声明】文章转载自：开源中国社区 [http://www.oschina.net]

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