Test Kennung:	1.3.6.1.4.1.25623.1.0.704130
Kategorie:	Debian Local Security Checks
Titel:	Debian Security Advisory DSA 4130-1 (dovecot - security update)
Zusammenfassung:	Several vulnerabilities have been discovered in the Dovecot email;server. The Common Vulnerabilities and Exposures project identifies the;following issues:;;CVE-2017-14461Aleksandar Nikolic of Cisco Talos and flxflndy;discovered that;Dovecot does not properly parse invalid email addresses, which may;cause a crash or leak memory contents to an attacker.;;CVE-2017-15130It was discovered that TLS SNI config lookups may lead to excessive;memory usage, causing imap-login/pop3-login VSZ limit to be reached;and the process restarted, resulting in a denial of service. Only;Dovecot configurations containing local_name { } or local { };;configuration blocks are affected.;;CVE-2017-15132;It was discovered that Dovecot contains a memory leak flaw in the;login process on aborted SASL authentication.
Beschreibung:	Summary: Several vulnerabilities have been discovered in the Dovecot email server. The Common Vulnerabilities and Exposures project identifies the following issues: CVE-2017-14461Aleksandar Nikolic of Cisco Talos and flxflndy discovered that Dovecot does not properly parse invalid email addresses, which may cause a crash or leak memory contents to an attacker. CVE-2017-15130It was discovered that TLS SNI config lookups may lead to excessive memory usage, causing imap-login/pop3-login VSZ limit to be reached and the process restarted, resulting in a denial of service. Only Dovecot configurations containing local_name { } or local { } configuration blocks are affected. CVE-2017-15132 It was discovered that Dovecot contains a memory leak flaw in the login process on aborted SASL authentication. Affected Software/OS: dovecot on Debian Linux Solution: For the oldstable distribution (jessie), these problems have been fixed in version 1:2.2.13-12~ deb8u4. For the stable distribution (stretch), these problems have been fixed in version 1:2.2.27-3+deb9u2. We recommend that you upgrade your dovecot packages. CVSS Score: 5.5 CVSS Vector: AV:N/AC:L/Au:S/C:P/I:N/A:P
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2017-14461 Common Vulnerability Exposure (CVE) ID: CVE-2017-15130 Common Vulnerability Exposure (CVE) ID: CVE-2017-15132
Copyright	Copyright (C) 2018 Greenbone Networks GmbH

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