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CVE-2008-4577

Status Candidate

Overview

The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.

Related Files

Ubuntu Security Notice 838-1
Posted Sep 29, 2009
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu 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.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2008-4577, CVE-2008-5301, CVE-2009-2632, CVE-2009-3235
SHA-256 | 5fd61a6a6d760fcf2bd0a9d66e294c6897bc30e1df8871482b661db6a9b066a1
Gentoo Linux Security Advisory 200812-16
Posted Dec 15, 2008
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200812-16 - Multiple vulnerabilities were found in the Dovecot mailserver. Versions less than 1.1.7-r1 are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2008-4577, CVE-2008-4578, CVE-2008-4870, CVE-2008-4907
SHA-256 | 469caccee3552d8a95b0ef10e4b692ab98806818590798925e276bd7f6bb66a0
Mandriva Linux Security Advisory 2008-232
Posted Nov 19, 2008
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2008-232 - The ACL plugin in dovecot prior to version 1.1.4 treated negative access rights as though they were positive access rights, which allowed attackers to bypass intended access restrictions. The ACL plugin in dovecot prior to version 1.1.6 allowed attackers to bypass intended access restrictions by using the 'k' right to create unauthorized 'parent/child/child' mailboxes.

tags | advisory
systems | linux, mandriva
advisories | CVE-2008-4577, CVE-2008-4578
SHA-256 | 3dcb5d843d56558227e4581b0d21854b12e0ece4e41854a8044f583cb9217495
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