Ubuntu 10.04 LTS / 10.10 : dovecot vulnerabilities (USN-1059-1)

medium Nessus Plugin ID 51900

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

It was discovered that the ACL plugin in Dovecot would incorrectly propagate ACLs to new mailboxes. A remote authenticated user could possibly read new mailboxes that were created with the wrong ACL.
(CVE-2010-3304)

It was discovered that the ACL plugin in Dovecot would incorrectly merge ACLs in certain circumstances. A remote authenticated user could possibly bypass intended access restrictions and gain access to mailboxes. (CVE-2010-3706, CVE-2010-3707)

It was discovered that the ACL plugin in Dovecot would incorrectly grant the admin permission to owners of certain mailboxes. A remote authenticated user could possibly bypass intended access restrictions and gain access to mailboxes. (CVE-2010-3779)

It was discovered that Dovecot incorrecly handled the simultaneous disconnect of a large number of sessions. A remote authenticated user could use this flaw to cause Dovecot to crash, resulting in a denial of service. (CVE-2010-3780).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected packages.

See Also

https://usn.ubuntu.com/1059-1/

Plugin Details

Severity: Medium

ID: 51900

File Name: ubuntu_USN-1059-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 2/8/2011

Updated: 9/19/2019

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:dovecot, p-cpe:/a:canonical:ubuntu_linux:dovecot-common, p-cpe:/a:canonical:ubuntu_linux:dovecot-dbg, p-cpe:/a:canonical:ubuntu_linux:dovecot-dev, p-cpe:/a:canonical:ubuntu_linux:dovecot-imapd, p-cpe:/a:canonical:ubuntu_linux:dovecot-pop3d, p-cpe:/a:canonical:ubuntu_linux:dovecot-postfix, p-cpe:/a:canonical:ubuntu_linux:mail-stack-delivery, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:10.10

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 2/7/2011

Vulnerability Publication Date: 9/24/2010

Reference Information

CVE: CVE-2010-3304, CVE-2010-3706, CVE-2010-3707, CVE-2010-3779, CVE-2010-3780

BID: 41964, 43690

USN: 1059-1