ASA-201803-7 generated external raw

[ASA-201803-7] dovecot: multiple issues
Arch Linux Security Advisory ASA-201803-7 ========================================= Severity: High Date : 2018-03-06 CVE-ID : CVE-2017-14461 CVE-2017-15130 CVE-2017-15132 Package : dovecot Type : multiple issues Remote : Yes Link : Summary ======= The package dovecot before version is vulnerable to multiple issues including information disclosure and denial of service. Resolution ========== Upgrade to # pacman -Syu "dovecot>=" The problems have been fixed upstream in version Workaround ========== None. Description =========== - CVE-2017-14461 (information disclosure) A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure of an email from another user or may cause an application crash. In order to trigger this vulnerability, an imap-authenticated attacker needs to send a specially crafted email message to the server. - CVE-2017-15130 (denial of service) A denial of service flaw was found in dovecot before 2.2.34 and An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage, causing imap-login/pop3-login VSZ limit to be reached and the process restarted. This happens only if Dovecot config has local_name { } or local { } configuration blocks and attacker uses randomly generated SNI servernames. - CVE-2017-15132 (denial of service) A flaw was found in dovecot before 2.2.34 and An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion. Impact ====== A remote attacker is able to crash the application or disclose information by sending a specially crafted email. References ==========