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Gentoo: GLSA 202310-05 Critical: Exim Buffer Overflow Vulnerability

gentoo
Calendar Grey October 10, 2011
Dist Gentoo Esm H88
Several security flaws identified in Dovecot, encompassing risks of remote code execution and denial of service. It is advisable to perform updates.
Multiple vulnerabilities were found in Dovecot, the worst of which allowing for remote execution of arbitrary code.

Summary

Multiple vulnerabilities have been discovered in Dovecot. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory high severity security issue gentoo remote execution dovecot

Resolution

All Dovecot 1 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-mail/dovecot-1.2.17"
All Dovecot 2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-mail/dovecot-2.0.13"
NOTE: This is a legacy GLSA. Updates for all affected architectures are available since May 28, 2011. It is likely that your system is already no longer affected by this issue.

References

[ 1 ] CVE-2009-3235 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-3235 [ 2 ] CVE-2009-3897 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-3897 [ 3 ] CVE-2010-0745 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0745 [ 4 ] CVE-2010-3304 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3304 [ 5 ] CVE-2010-3706 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3706 [ 6 ] CVE-2010-3707 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3707 [ 7 ] CVE-2010-3779 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3779 [ 8 ] CVE-2010-3780 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3780 [ 9 ] CVE-2011-1929 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1929 [ 10 ] CVE-2011-2166 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2166 [ 11 ] CVE-2011-2167 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2167

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201110-04
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: Dovecot: Multiple vulnerabilities
Date: October 10, 2011
Bugs: #286844, #293954, #314533, #368653
ID: 201110-04

Topics%20covered

Topics Covered

security advisory high severity security issue gentoo remote execution dovecot

Synopsis

Multiple vulnerabilities were found in Dovecot, the worst of which allowing for remote execution of arbitrary code.

Background

Dovecot is an IMAP and POP3 server written with security primarily in mind.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-mail/dovecot < 2.0.13 *>= 1.2.17 >= 2.0.13

Impact

===== A remote attacker could exploit these vulnerabilities to cause the remote execution of arbitrary code, or a Denial of Service condition, to conduct directory traversal attacks, corrupt data, or disclose information.

Workaround

There is no known workaround at this time.

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