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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2007:0018

The remote host is missing updates announced in
advisory RHSA-2007:0018.

Fetchmail is a remote mail retrieval and forwarding utility.

A denial of service flaw was found when Fetchmail was run in multidrop
mode. A malicious mail server could send a message without headers which
would cause Fetchmail to crash (CVE-2005-4348). This issue did not affect
the version of Fetchmail shipped with Red Hat Enterprise Linux 2.1 or 3.

A flaw was found in the way Fetchmail used TLS encryption to connect to
remote hosts. Fetchmail provided no way to enforce the use of TLS
encryption and would not authenticate POP3 protocol connections properly
(CVE-2006-5867). This update corrects this issue by enforcing TLS
encryption when the sslproto configuration directive is set to tls1.

Users of Fetchmail should update to these packages, which contain
backported patches to correct these issues.

Note: This update may break configurations which assumed that Fetchmail
would use plain-text authentication if TLS encryption is not supported by
the POP3 server even if the sslproto directive is set to tls1. If you
are using a custom configuration that depended on this behavior you will
need to modify your configuration appropriately after installing this update.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : High

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2005-4348
BugTraq ID: 15987
BugTraq ID: 19289
Bugtraq: 20051221 fetchmail security announcement fetchmail-SA-2005-03 (CVE-2005-4348) (Google Search)
Bugtraq: 20060526 rPSA-2006-0084-1 fetchmail (Google Search)
Debian Security Information: DSA-939 (Google Search)
SGI Security Advisory: 20070201-01-P
SuSE Security Announcement: SUSE-SR:2007:004 (Google Search)
XForce ISS Database: fetchmail-null-pointer-dos(23713)
Common Vulnerability Exposure (CVE) ID: CVE-2006-5867
BugTraq ID: 21903
Bugtraq: 20070105 fetchmail security announcement 2006-02 (CVE-2006-5867) (Google Search)
Bugtraq: 20070218 Re: [SECURITY] [DSA 1259-1] New fetchmail packages fix information disclosure (Google Search)
Cert/CC Advisory: TA07-109A
Debian Security Information: DSA-1259 (Google Search)
CopyrightCopyright (c) 2007 E-Soft Inc.

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