September 28, 2009

Ubuntu Security Notice 838-1: Dovecot Vulnerabilities

Article Source Ubuntu Security Notices
September 28, 2009, 6:25 am

It was discovered that the ACL plugin in Dovecot would incorrectly handle negative access rights. An attacker could exploit this flaw to access the Dovecot server, bypassing the intended access restrictions. This only affected Ubuntu 8.04 LTS. (CVE-2008-4577)

It was discovered that the ManageSieve service in Dovecot incorrectly handled ".." in script names. A remote attacker could exploit this to read and modify arbitrary sieve files on the server. This only affected Ubuntu 8.10. (CVE-2008-5301)...

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