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openSUSE:Maintenance:6704
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<patchinfo incident="6704"> <issue id="1021669" tracker="bnc">VUL-1: CVE-2017-5495: quagga: Telnet interface input buffer allocates unbounded amounts of memory</issue> <issue id="2017-5495" tracker="cve" /> <category>security</category> <rating>low</rating> <packager>mtomaschewski</packager> <description> This update for quagga fixes the following issues: This security issue was fixed: - CVE-2017-5495: Quagga was vulnerable to an unbounded memory allocation in the telnet 'vty' CLI, leading to a Denial-of-Service of Quagga daemons, or even the entire host. When Quagga daemons are configured with their telnet CLI enabled, anyone who can connect to the TCP ports can trigger this vulnerability, prior to authentication (bsc#1021669). These non-security issues were fixed: - Disabled passwords in default zebra.conf config file, causing to disable vty telnet interface by default. The vty interface is available via "vtysh" utility using pam authentication to permit management access for root without password (boo#1021669). - Changed owner of /etc/quagga to quagga:quagga to permit to manage quagga via vty interface. - Added quagga.log and create and su statemets to logrotate config, changed default zebra log file name from quagga.log to zebra.log. </description> <summary>Security update for quagga</summary> </patchinfo>
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