Gentoo Linux Security Advisory 201110-16 - The Cyrus IMAP Server is affected by multiple vulnerabilities which could potentially lead to the remote execution of arbitrary code or a denial of service. Versions less than 2.4.12 are affected.
1adb16e92a221ed72428ee5be30b3e16bad3de53df09cd8c4f1d076f7af9fee9Mandriva Linux Security Advisory 2009-229 - Buffer overflow in the SIEVE script component (sieve/script.c) in cyrus-imapd in Cyrus IMAP Server 2.2.13 and 2.3.14 allows local users to execute arbitrary code and read or modify arbitrary messages via a crafted SIEVE script, related to the incorrect use of the sizeof operator for determining buffer length, combined with an integer signedness error. This update provides a solution to this vulnerability. Packages for 2008.0 are being provided due to extended support for Corporate products.
e1e2ecde41b24810e22456945dec8bd2d7abdfc74d25908b7cd1437485f3dd8dUbuntu Security Notice USN-838-1 - 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. 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. It was discovered that the Sieve plugin in Dovecot incorrectly handled certain sieve scripts. An authenticated user could exploit this with a crafted sieve script to cause a denial of service or possibly execute arbitrary code.
5fd61a6a6d760fcf2bd0a9d66e294c6897bc30e1df8871482b661db6a9b066a1Debian Security Advisory 1893-1 - It was discovered that the SIEVE component of cyrus-imapd and kolab-cyrus-imapd, the Cyrus mail system, is vulnerable to a buffer overflow when processing SIEVE scripts. This can be used to elevate privileges to the cyrus system user. An attacker who is able to install SIEVE scripts executed by the server is therefore able to read and modify arbitrary email messages on the system. The update introduced by DSA 1881-1 was incomplete and the issue has been given an additional CVE id due to its complexity.
7cc84f9d81089816b231888b54423e78094c839d60a333567463949319d07201Debian Security Advisory 1892-1 - It was discovered that the SIEVE component of dovecot, a mail server that supports mbox and maildir mailboxes, is vulnerable to a buffer overflow when processing SIEVE scripts. This can be used to elevate privileges to the dovecot system user. An attacker who is able to install SIEVE scripts executed by the server is therefore able to read and modify arbitrary email messages on the system.
1e397e9152a659f46c090079c2cfa537c94c26a24228f0d5373aa8bb6b50bc9aMandriva Linux Security Advisory 2009-229 - Buffer overflow in the SIEVE script component (sieve/script.c) in cyrus-imapd in Cyrus IMAP Server 2.2.13 and 2.3.14 allows local users to execute arbitrary code and read or modify arbitrary messages via a crafted SIEVE script, related to the incorrect use of the sizeof operator for determining buffer length, combined with an integer signedness error. This update provides a solution to this vulnerability.
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